reveal.css 53 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028102910301031103210331034103510361037103810391040104110421043104410451046104710481049105010511052105310541055105610571058105910601061106210631064106510661067106810691070107110721073107410751076107710781079108010811082108310841085108610871088108910901091109210931094109510961097109810991100110111021103110411051106110711081109111011111112111311141115111611171118111911201121112211231124112511261127112811291130113111321133113411351136113711381139114011411142114311441145114611471148114911501151115211531154115511561157115811591160116111621163116411651166116711681169117011711172117311741175117611771178117911801181118211831184118511861187118811891190119111921193119411951196119711981199120012011202120312041205120612071208120912101211121212131214121512161217121812191220122112221223122412251226122712281229123012311232123312341235123612371238123912401241124212431244124512461247124812491250125112521253125412551256125712581259126012611262126312641265126612671268126912701271127212731274127512761277127812791280128112821283128412851286128712881289129012911292129312941295129612971298129913001301130213031304130513061307130813091310131113121313131413151316131713181319132013211322132313241325132613271328132913301331133213331334133513361337133813391340134113421343134413451346134713481349135013511352135313541355135613571358135913601361136213631364136513661367136813691370137113721373137413751376137713781379138013811382138313841385138613871388138913901391139213931394139513961397139813991400140114021403140414051406140714081409141014111412141314141415141614171418141914201421142214231424142514261427142814291430143114321433143414351436143714381439144014411442144314441445144614471448144914501451145214531454145514561457145814591460146114621463146414651466146714681469147014711472147314741475147614771478
  1. /*!
  2. * reveal.js
  3. * http://lab.hakim.se/reveal-js
  4. * MIT licensed
  5. *
  6. * Copyright (C) 2017 Hakim El Hattab, http://hakim.se
  7. */
  8. /*********************************************
  9. * RESET STYLES
  10. *********************************************/
  11. html, body, .reveal div, .reveal span, .reveal applet, .reveal object, .reveal iframe,
  12. .reveal h1, .reveal h2, .reveal h3, .reveal h4, .reveal h5, .reveal h6, .reveal p, .reveal blockquote, .reveal pre,
  13. .reveal a, .reveal abbr, .reveal acronym, .reveal address, .reveal big, .reveal cite, .reveal code,
  14. .reveal del, .reveal dfn, .reveal em, .reveal img, .reveal ins, .reveal kbd, .reveal q, .reveal s, .reveal samp,
  15. .reveal small, .reveal strike, .reveal strong, .reveal sub, .reveal sup, .reveal tt, .reveal var,
  16. .reveal b, .reveal u, .reveal center,
  17. .reveal dl, .reveal dt, .reveal dd, .reveal ol, .reveal ul, .reveal li,
  18. .reveal fieldset, .reveal form, .reveal label, .reveal legend,
  19. .reveal table, .reveal caption, .reveal tbody, .reveal tfoot, .reveal thead, .reveal tr, .reveal th, .reveal td,
  20. .reveal article, .reveal aside, .reveal canvas, .reveal details, .reveal embed,
  21. .reveal figure, .reveal figcaption, .reveal footer, .reveal header, .reveal hgroup,
  22. .reveal menu, .reveal nav, .reveal output, .reveal ruby, .reveal section, .reveal summary,
  23. .reveal time, .reveal mark, .reveal audio, .reveal video {
  24. margin: 0;
  25. padding: 0;
  26. border: 0;
  27. font-size: 100%;
  28. font: inherit;
  29. vertical-align: baseline; }
  30. .reveal article, .reveal aside, .reveal details, .reveal figcaption, .reveal figure,
  31. .reveal footer, .reveal header, .reveal hgroup, .reveal menu, .reveal nav, .reveal section {
  32. display: block; }
  33. /*********************************************
  34. * GLOBAL STYLES
  35. *********************************************/
  36. html,
  37. body {
  38. width: 100%;
  39. height: 100%;
  40. overflow: hidden; }
  41. body {
  42. position: relative;
  43. line-height: 1;
  44. background-color: #fff;
  45. color: #000; }
  46. /*********************************************
  47. * VIEW FRAGMENTS
  48. *********************************************/
  49. .reveal .slides section .fragment {
  50. opacity: 0;
  51. visibility: hidden;
  52. -webkit-transition: all .2s ease;
  53. transition: all .2s ease; }
  54. .reveal .slides section .fragment.visible {
  55. opacity: 1;
  56. visibility: inherit; }
  57. .reveal .slides section .fragment.grow {
  58. opacity: 1;
  59. visibility: inherit; }
  60. .reveal .slides section .fragment.grow.visible {
  61. -webkit-transform: scale(1.3);
  62. transform: scale(1.3); }
  63. .reveal .slides section .fragment.shrink {
  64. opacity: 1;
  65. visibility: inherit; }
  66. .reveal .slides section .fragment.shrink.visible {
  67. -webkit-transform: scale(0.7);
  68. transform: scale(0.7); }
  69. .reveal .slides section .fragment.zoom-in {
  70. -webkit-transform: scale(0.1);
  71. transform: scale(0.1); }
  72. .reveal .slides section .fragment.zoom-in.visible {
  73. -webkit-transform: none;
  74. transform: none; }
  75. .reveal .slides section .fragment.fade-out {
  76. opacity: 1;
  77. visibility: inherit; }
  78. .reveal .slides section .fragment.fade-out.visible {
  79. opacity: 0;
  80. visibility: hidden; }
  81. .reveal .slides section .fragment.semi-fade-out {
  82. opacity: 1;
  83. visibility: inherit; }
  84. .reveal .slides section .fragment.semi-fade-out.visible {
  85. opacity: 0.5;
  86. visibility: inherit; }
  87. .reveal .slides section .fragment.strike {
  88. opacity: 1;
  89. visibility: inherit; }
  90. .reveal .slides section .fragment.strike.visible {
  91. text-decoration: line-through; }
  92. .reveal .slides section .fragment.fade-up {
  93. -webkit-transform: translate(0, 20%);
  94. transform: translate(0, 20%); }
  95. .reveal .slides section .fragment.fade-up.visible {
  96. -webkit-transform: translate(0, 0);
  97. transform: translate(0, 0); }
  98. .reveal .slides section .fragment.fade-down {
  99. -webkit-transform: translate(0, -20%);
  100. transform: translate(0, -20%); }
  101. .reveal .slides section .fragment.fade-down.visible {
  102. -webkit-transform: translate(0, 0);
  103. transform: translate(0, 0); }
  104. .reveal .slides section .fragment.fade-right {
  105. -webkit-transform: translate(-20%, 0);
  106. transform: translate(-20%, 0); }
  107. .reveal .slides section .fragment.fade-right.visible {
  108. -webkit-transform: translate(0, 0);
  109. transform: translate(0, 0); }
  110. .reveal .slides section .fragment.fade-left {
  111. -webkit-transform: translate(20%, 0);
  112. transform: translate(20%, 0); }
  113. .reveal .slides section .fragment.fade-left.visible {
  114. -webkit-transform: translate(0, 0);
  115. transform: translate(0, 0); }
  116. .reveal .slides section .fragment.current-visible {
  117. opacity: 0;
  118. visibility: hidden; }
  119. .reveal .slides section .fragment.current-visible.current-fragment {
  120. opacity: 1;
  121. visibility: inherit; }
  122. .reveal .slides section .fragment.highlight-red,
  123. .reveal .slides section .fragment.highlight-current-red,
  124. .reveal .slides section .fragment.highlight-green,
  125. .reveal .slides section .fragment.highlight-current-green,
  126. .reveal .slides section .fragment.highlight-blue,
  127. .reveal .slides section .fragment.highlight-current-blue {
  128. opacity: 1;
  129. visibility: inherit; }
  130. .reveal .slides section .fragment.highlight-red.visible {
  131. color: #ff2c2d; }
  132. .reveal .slides section .fragment.highlight-green.visible {
  133. color: #17ff2e; }
  134. .reveal .slides section .fragment.highlight-blue.visible {
  135. color: #1b91ff; }
  136. .reveal .slides section .fragment.highlight-current-red.current-fragment {
  137. color: #ff2c2d; }
  138. .reveal .slides section .fragment.highlight-current-green.current-fragment {
  139. color: #17ff2e; }
  140. .reveal .slides section .fragment.highlight-current-blue.current-fragment {
  141. color: #1b91ff; }
  142. /*********************************************
  143. * DEFAULT ELEMENT STYLES
  144. *********************************************/
  145. /* Fixes issue in Chrome where italic fonts did not appear when printing to PDF */
  146. .reveal:after {
  147. content: '';
  148. font-style: italic; }
  149. .reveal iframe {
  150. z-index: 1; }
  151. /** Prevents layering issues in certain browser/transition combinations */
  152. .reveal a {
  153. position: relative; }
  154. .reveal .stretch {
  155. max-width: none;
  156. max-height: none; }
  157. .reveal pre.stretch code {
  158. height: 100%;
  159. max-height: 100%;
  160. box-sizing: border-box; }
  161. /*********************************************
  162. * CONTROLS
  163. *********************************************/
  164. .reveal .controls {
  165. display: none;
  166. position: absolute;
  167. top: 0;
  168. right: 0;
  169. bottom: 0;
  170. left: 0;
  171. z-index: 1; }
  172. .reveal .controls button {
  173. position: absolute;
  174. padding: 0;
  175. width: 50px;
  176. height: 50px;
  177. background-color: transparent;
  178. border: 0;
  179. outline: 0;
  180. cursor: pointer;
  181. -webkit-transform: scale(0.9999);
  182. transform: scale(0.9999);
  183. -webkit-transition: all 0.2s ease;
  184. transition: all 0.2s ease;
  185. z-index: 2;
  186. visibility: hidden;
  187. opacity: 0;
  188. -webkit-appearance: none;
  189. -webkit-tap-highlight-color: transparent; }
  190. .reveal .controls button:before,
  191. .reveal .controls button:after {
  192. content: '';
  193. position: absolute;
  194. top: 0;
  195. left: 0;
  196. width: 30px;
  197. height: 5px;
  198. border-radius: 2.5px;
  199. background-color: #fff;
  200. -webkit-transition: all 0.15s ease, background-color 0.8s ease;
  201. transition: all 0.15s ease, background-color 0.8s ease;
  202. -webkit-transform-origin: 2.5px 50%;
  203. transform-origin: 2.5px 50%; }
  204. .reveal .controls button:before {
  205. -webkit-transform: translateX(10px) translateY(22.5px) rotate(44deg);
  206. transform: translateX(10px) translateY(22.5px) rotate(44deg); }
  207. .reveal .controls button:after {
  208. -webkit-transform: translateX(10px) translateY(22.5px) rotate(-44deg);
  209. transform: translateX(10px) translateY(22.5px) rotate(-44deg); }
  210. .reveal .controls button:hover:before {
  211. -webkit-transform: translateX(10px) translateY(22.5px) rotate(40deg);
  212. transform: translateX(10px) translateY(22.5px) rotate(40deg); }
  213. .reveal .controls button:hover:after {
  214. -webkit-transform: translateX(10px) translateY(22.5px) rotate(-40deg);
  215. transform: translateX(10px) translateY(22.5px) rotate(-40deg); }
  216. .reveal .controls button:active:before {
  217. -webkit-transform: translateX(10px) translateY(22.5px) rotate(36deg);
  218. transform: translateX(10px) translateY(22.5px) rotate(36deg); }
  219. .reveal .controls button:active:after {
  220. -webkit-transform: translateX(10px) translateY(22.5px) rotate(-36deg);
  221. transform: translateX(10px) translateY(22.5px) rotate(-36deg); }
  222. .reveal .controls .navigate-left {
  223. top: 50%;
  224. left: 18px;
  225. -webkit-transform: translateY(-50%);
  226. transform: translateY(-50%); }
  227. .reveal .controls .navigate-right {
  228. top: 50%;
  229. right: 18px;
  230. -webkit-transform: translateY(-50%) rotate(180deg);
  231. transform: translateY(-50%) rotate(180deg); }
  232. .reveal .controls .navigate-up {
  233. top: 18px;
  234. left: 50%;
  235. -webkit-transform: translateX(-50%) rotate(90deg);
  236. transform: translateX(-50%) rotate(90deg); }
  237. .reveal .controls .navigate-down {
  238. bottom: 18px;
  239. left: 50%;
  240. -webkit-transform: translateX(-50%) rotate(-90deg);
  241. transform: translateX(-50%) rotate(-90deg); }
  242. .reveal .controls.deemphasize-back-arrows .navigate-left.enabled,
  243. .reveal .controls.deemphasize-back-arrows .navigate-up.enabled {
  244. opacity: 0.3; }
  245. .reveal .controls.deemphasize-back-arrows .navigate-left.enabled:hover,
  246. .reveal .controls.deemphasize-back-arrows .navigate-up.enabled:hover {
  247. opacity: 1; }
  248. .reveal .controls .enabled {
  249. visibility: visible;
  250. opacity: 0.7;
  251. cursor: pointer; }
  252. .reveal .controls .enabled.fragmented {
  253. opacity: 0.3; }
  254. .reveal .controls .enabled:hover,
  255. .reveal .controls .enabled.fragmented:hover {
  256. opacity: 1; }
  257. .reveal .controls[data-controls-placement="bottom-right"] {
  258. top: auto;
  259. bottom: 18px;
  260. right: 18px;
  261. left: auto;
  262. -webkit-transform: scale(0.85);
  263. transform: scale(0.85);
  264. -webkit-transform-origin: 100% 100%;
  265. transform-origin: 100% 100%; }
  266. .reveal .controls[data-controls-placement="bottom-right"] .navigate-left,
  267. .reveal .controls[data-controls-placement="bottom-right"] .navigate-right,
  268. .reveal .controls[data-controls-placement="bottom-right"] .navigate-up,
  269. .reveal .controls[data-controls-placement="bottom-right"] .navigate-down {
  270. top: auto;
  271. left: auto; }
  272. .reveal .controls[data-controls-placement="bottom-right"] .navigate-left {
  273. right: 86px;
  274. bottom: 18px; }
  275. .reveal .controls[data-controls-placement="bottom-right"] .navigate-right {
  276. right: 0;
  277. bottom: 18px; }
  278. .reveal .controls[data-controls-placement="bottom-right"] .navigate-up {
  279. right: 18px;
  280. bottom: 86px; }
  281. .reveal .controls[data-controls-placement="bottom-right"] .navigate-down {
  282. right: 18px;
  283. bottom: 0; }
  284. @media screen and (max-width: 500px) {
  285. .reveal .controls {
  286. top: auto;
  287. bottom: 18px;
  288. right: 18px;
  289. left: auto;
  290. -webkit-transform: scale(0.85);
  291. transform: scale(0.85);
  292. -webkit-transform-origin: 100% 100%;
  293. transform-origin: 100% 100%; }
  294. .reveal .controls .navigate-left,
  295. .reveal .controls .navigate-right,
  296. .reveal .controls .navigate-up,
  297. .reveal .controls .navigate-down {
  298. top: auto;
  299. left: auto; }
  300. .reveal .controls .navigate-left {
  301. right: 86px;
  302. bottom: 18px; }
  303. .reveal .controls .navigate-right {
  304. right: 0;
  305. bottom: 18px; }
  306. .reveal .controls .navigate-up {
  307. right: 18px;
  308. bottom: 86px; }
  309. .reveal .controls .navigate-down {
  310. right: 18px;
  311. bottom: 0; } }
  312. .reveal.has-dark-background .controls button:after,
  313. .reveal.has-dark-background .controls button:before {
  314. background-color: #fff; }
  315. .reveal.has-light-background .controls button:after,
  316. .reveal.has-light-background .controls button:before {
  317. background-color: #000; }
  318. /*********************************************
  319. * PROGRESS BAR
  320. *********************************************/
  321. .reveal .progress {
  322. position: fixed;
  323. display: none;
  324. height: 3px;
  325. width: 100%;
  326. bottom: 0;
  327. left: 0;
  328. z-index: 10;
  329. background-color: rgba(0, 0, 0, 0.2); }
  330. .reveal .progress:after {
  331. content: '';
  332. display: block;
  333. position: absolute;
  334. height: 20px;
  335. width: 100%;
  336. top: -20px; }
  337. .reveal .progress span {
  338. display: block;
  339. height: 100%;
  340. width: 0px;
  341. background-color: #000;
  342. -webkit-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
  343. transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985); }
  344. /*********************************************
  345. * SLIDE NUMBER
  346. *********************************************/
  347. .reveal .slide-number {
  348. position: fixed;
  349. display: block;
  350. right: 8px;
  351. bottom: 8px;
  352. z-index: 31;
  353. font-family: Helvetica, sans-serif;
  354. font-size: 12px;
  355. line-height: 1;
  356. color: #fff;
  357. background-color: rgba(0, 0, 0, 0.4);
  358. padding: 5px; }
  359. .reveal .slide-number-delimiter {
  360. margin: 0 3px; }
  361. /*********************************************
  362. * SLIDES
  363. *********************************************/
  364. .reveal {
  365. position: relative;
  366. width: 100%;
  367. height: 100%;
  368. overflow: hidden;
  369. -ms-touch-action: none;
  370. touch-action: none; }
  371. .reveal .slides {
  372. position: absolute;
  373. width: 100%;
  374. height: 100%;
  375. top: 0;
  376. right: 0;
  377. bottom: 0;
  378. left: 0;
  379. margin: auto;
  380. pointer-events: none;
  381. overflow: visible;
  382. z-index: 1;
  383. text-align: center;
  384. -webkit-perspective: 600px;
  385. perspective: 600px;
  386. -webkit-perspective-origin: 50% 40%;
  387. perspective-origin: 50% 40%; }
  388. .reveal .slides > section {
  389. -ms-perspective: 600px; }
  390. .reveal .slides > section,
  391. .reveal .slides > section > section {
  392. display: none;
  393. position: absolute;
  394. width: 100%;
  395. padding: 20px 0px;
  396. pointer-events: auto;
  397. z-index: 10;
  398. -webkit-transform-style: flat;
  399. transform-style: flat;
  400. -webkit-transition: -webkit-transform-origin 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985), -webkit-transform 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985), visibility 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985), opacity 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
  401. transition: transform-origin 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985), transform 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985), visibility 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985), opacity 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985); }
  402. /* Global transition speed settings */
  403. .reveal[data-transition-speed="fast"] .slides section {
  404. -webkit-transition-duration: 400ms;
  405. transition-duration: 400ms; }
  406. .reveal[data-transition-speed="slow"] .slides section {
  407. -webkit-transition-duration: 1200ms;
  408. transition-duration: 1200ms; }
  409. /* Slide-specific transition speed overrides */
  410. .reveal .slides section[data-transition-speed="fast"] {
  411. -webkit-transition-duration: 400ms;
  412. transition-duration: 400ms; }
  413. .reveal .slides section[data-transition-speed="slow"] {
  414. -webkit-transition-duration: 1200ms;
  415. transition-duration: 1200ms; }
  416. .reveal .slides > section.stack {
  417. padding-top: 0;
  418. padding-bottom: 0; }
  419. .reveal .slides > section.present,
  420. .reveal .slides > section > section.present {
  421. display: block;
  422. z-index: 11;
  423. opacity: 1; }
  424. .reveal .slides > section:empty,
  425. .reveal .slides > section > section:empty,
  426. .reveal .slides > section[data-background-interactive],
  427. .reveal .slides > section > section[data-background-interactive] {
  428. pointer-events: none; }
  429. .reveal.center,
  430. .reveal.center .slides,
  431. .reveal.center .slides section {
  432. min-height: 0 !important; }
  433. /* Don't allow interaction with invisible slides */
  434. .reveal .slides > section.future,
  435. .reveal .slides > section > section.future,
  436. .reveal .slides > section.past,
  437. .reveal .slides > section > section.past {
  438. pointer-events: none; }
  439. .reveal.overview .slides > section,
  440. .reveal.overview .slides > section > section {
  441. pointer-events: auto; }
  442. .reveal .slides > section.past,
  443. .reveal .slides > section.future,
  444. .reveal .slides > section > section.past,
  445. .reveal .slides > section > section.future {
  446. opacity: 0; }
  447. /*********************************************
  448. * Mixins for readability of transitions
  449. *********************************************/
  450. /*********************************************
  451. * SLIDE TRANSITION
  452. * Aliased 'linear' for backwards compatibility
  453. *********************************************/
  454. .reveal.slide section {
  455. -webkit-backface-visibility: hidden;
  456. backface-visibility: hidden; }
  457. .reveal .slides > section[data-transition=slide].past,
  458. .reveal .slides > section[data-transition~=slide-out].past,
  459. .reveal.slide .slides > section:not([data-transition]).past {
  460. -webkit-transform: translate(-150%, 0);
  461. transform: translate(-150%, 0); }
  462. .reveal .slides > section[data-transition=slide].future,
  463. .reveal .slides > section[data-transition~=slide-in].future,
  464. .reveal.slide .slides > section:not([data-transition]).future {
  465. -webkit-transform: translate(150%, 0);
  466. transform: translate(150%, 0); }
  467. .reveal .slides > section > section[data-transition=slide].past,
  468. .reveal .slides > section > section[data-transition~=slide-out].past,
  469. .reveal.slide .slides > section > section:not([data-transition]).past {
  470. -webkit-transform: translate(0, -150%);
  471. transform: translate(0, -150%); }
  472. .reveal .slides > section > section[data-transition=slide].future,
  473. .reveal .slides > section > section[data-transition~=slide-in].future,
  474. .reveal.slide .slides > section > section:not([data-transition]).future {
  475. -webkit-transform: translate(0, 150%);
  476. transform: translate(0, 150%); }
  477. .reveal.linear section {
  478. -webkit-backface-visibility: hidden;
  479. backface-visibility: hidden; }
  480. .reveal .slides > section[data-transition=linear].past,
  481. .reveal .slides > section[data-transition~=linear-out].past,
  482. .reveal.linear .slides > section:not([data-transition]).past {
  483. -webkit-transform: translate(-150%, 0);
  484. transform: translate(-150%, 0); }
  485. .reveal .slides > section[data-transition=linear].future,
  486. .reveal .slides > section[data-transition~=linear-in].future,
  487. .reveal.linear .slides > section:not([data-transition]).future {
  488. -webkit-transform: translate(150%, 0);
  489. transform: translate(150%, 0); }
  490. .reveal .slides > section > section[data-transition=linear].past,
  491. .reveal .slides > section > section[data-transition~=linear-out].past,
  492. .reveal.linear .slides > section > section:not([data-transition]).past {
  493. -webkit-transform: translate(0, -150%);
  494. transform: translate(0, -150%); }
  495. .reveal .slides > section > section[data-transition=linear].future,
  496. .reveal .slides > section > section[data-transition~=linear-in].future,
  497. .reveal.linear .slides > section > section:not([data-transition]).future {
  498. -webkit-transform: translate(0, 150%);
  499. transform: translate(0, 150%); }
  500. /*********************************************
  501. * CONVEX TRANSITION
  502. * Aliased 'default' for backwards compatibility
  503. *********************************************/
  504. .reveal .slides section[data-transition=default].stack,
  505. .reveal.default .slides section.stack {
  506. -webkit-transform-style: preserve-3d;
  507. transform-style: preserve-3d; }
  508. .reveal .slides > section[data-transition=default].past,
  509. .reveal .slides > section[data-transition~=default-out].past,
  510. .reveal.default .slides > section:not([data-transition]).past {
  511. -webkit-transform: translate3d(-100%, 0, 0) rotateY(-90deg) translate3d(-100%, 0, 0);
  512. transform: translate3d(-100%, 0, 0) rotateY(-90deg) translate3d(-100%, 0, 0); }
  513. .reveal .slides > section[data-transition=default].future,
  514. .reveal .slides > section[data-transition~=default-in].future,
  515. .reveal.default .slides > section:not([data-transition]).future {
  516. -webkit-transform: translate3d(100%, 0, 0) rotateY(90deg) translate3d(100%, 0, 0);
  517. transform: translate3d(100%, 0, 0) rotateY(90deg) translate3d(100%, 0, 0); }
  518. .reveal .slides > section > section[data-transition=default].past,
  519. .reveal .slides > section > section[data-transition~=default-out].past,
  520. .reveal.default .slides > section > section:not([data-transition]).past {
  521. -webkit-transform: translate3d(0, -300px, 0) rotateX(70deg) translate3d(0, -300px, 0);
  522. transform: translate3d(0, -300px, 0) rotateX(70deg) translate3d(0, -300px, 0); }
  523. .reveal .slides > section > section[data-transition=default].future,
  524. .reveal .slides > section > section[data-transition~=default-in].future,
  525. .reveal.default .slides > section > section:not([data-transition]).future {
  526. -webkit-transform: translate3d(0, 300px, 0) rotateX(-70deg) translate3d(0, 300px, 0);
  527. transform: translate3d(0, 300px, 0) rotateX(-70deg) translate3d(0, 300px, 0); }
  528. .reveal .slides section[data-transition=convex].stack,
  529. .reveal.convex .slides section.stack {
  530. -webkit-transform-style: preserve-3d;
  531. transform-style: preserve-3d; }
  532. .reveal .slides > section[data-transition=convex].past,
  533. .reveal .slides > section[data-transition~=convex-out].past,
  534. .reveal.convex .slides > section:not([data-transition]).past {
  535. -webkit-transform: translate3d(-100%, 0, 0) rotateY(-90deg) translate3d(-100%, 0, 0);
  536. transform: translate3d(-100%, 0, 0) rotateY(-90deg) translate3d(-100%, 0, 0); }
  537. .reveal .slides > section[data-transition=convex].future,
  538. .reveal .slides > section[data-transition~=convex-in].future,
  539. .reveal.convex .slides > section:not([data-transition]).future {
  540. -webkit-transform: translate3d(100%, 0, 0) rotateY(90deg) translate3d(100%, 0, 0);
  541. transform: translate3d(100%, 0, 0) rotateY(90deg) translate3d(100%, 0, 0); }
  542. .reveal .slides > section > section[data-transition=convex].past,
  543. .reveal .slides > section > section[data-transition~=convex-out].past,
  544. .reveal.convex .slides > section > section:not([data-transition]).past {
  545. -webkit-transform: translate3d(0, -300px, 0) rotateX(70deg) translate3d(0, -300px, 0);
  546. transform: translate3d(0, -300px, 0) rotateX(70deg) translate3d(0, -300px, 0); }
  547. .reveal .slides > section > section[data-transition=convex].future,
  548. .reveal .slides > section > section[data-transition~=convex-in].future,
  549. .reveal.convex .slides > section > section:not([data-transition]).future {
  550. -webkit-transform: translate3d(0, 300px, 0) rotateX(-70deg) translate3d(0, 300px, 0);
  551. transform: translate3d(0, 300px, 0) rotateX(-70deg) translate3d(0, 300px, 0); }
  552. /*********************************************
  553. * CONCAVE TRANSITION
  554. *********************************************/
  555. .reveal .slides section[data-transition=concave].stack,
  556. .reveal.concave .slides section.stack {
  557. -webkit-transform-style: preserve-3d;
  558. transform-style: preserve-3d; }
  559. .reveal .slides > section[data-transition=concave].past,
  560. .reveal .slides > section[data-transition~=concave-out].past,
  561. .reveal.concave .slides > section:not([data-transition]).past {
  562. -webkit-transform: translate3d(-100%, 0, 0) rotateY(90deg) translate3d(-100%, 0, 0);
  563. transform: translate3d(-100%, 0, 0) rotateY(90deg) translate3d(-100%, 0, 0); }
  564. .reveal .slides > section[data-transition=concave].future,
  565. .reveal .slides > section[data-transition~=concave-in].future,
  566. .reveal.concave .slides > section:not([data-transition]).future {
  567. -webkit-transform: translate3d(100%, 0, 0) rotateY(-90deg) translate3d(100%, 0, 0);
  568. transform: translate3d(100%, 0, 0) rotateY(-90deg) translate3d(100%, 0, 0); }
  569. .reveal .slides > section > section[data-transition=concave].past,
  570. .reveal .slides > section > section[data-transition~=concave-out].past,
  571. .reveal.concave .slides > section > section:not([data-transition]).past {
  572. -webkit-transform: translate3d(0, -80%, 0) rotateX(-70deg) translate3d(0, -80%, 0);
  573. transform: translate3d(0, -80%, 0) rotateX(-70deg) translate3d(0, -80%, 0); }
  574. .reveal .slides > section > section[data-transition=concave].future,
  575. .reveal .slides > section > section[data-transition~=concave-in].future,
  576. .reveal.concave .slides > section > section:not([data-transition]).future {
  577. -webkit-transform: translate3d(0, 80%, 0) rotateX(70deg) translate3d(0, 80%, 0);
  578. transform: translate3d(0, 80%, 0) rotateX(70deg) translate3d(0, 80%, 0); }
  579. /*********************************************
  580. * ZOOM TRANSITION
  581. *********************************************/
  582. .reveal .slides section[data-transition=zoom],
  583. .reveal.zoom .slides section:not([data-transition]) {
  584. -webkit-transition-timing-function: ease;
  585. transition-timing-function: ease; }
  586. .reveal .slides > section[data-transition=zoom].past,
  587. .reveal .slides > section[data-transition~=zoom-out].past,
  588. .reveal.zoom .slides > section:not([data-transition]).past {
  589. visibility: hidden;
  590. -webkit-transform: scale(16);
  591. transform: scale(16); }
  592. .reveal .slides > section[data-transition=zoom].future,
  593. .reveal .slides > section[data-transition~=zoom-in].future,
  594. .reveal.zoom .slides > section:not([data-transition]).future {
  595. visibility: hidden;
  596. -webkit-transform: scale(0.2);
  597. transform: scale(0.2); }
  598. .reveal .slides > section > section[data-transition=zoom].past,
  599. .reveal .slides > section > section[data-transition~=zoom-out].past,
  600. .reveal.zoom .slides > section > section:not([data-transition]).past {
  601. -webkit-transform: translate(0, -150%);
  602. transform: translate(0, -150%); }
  603. .reveal .slides > section > section[data-transition=zoom].future,
  604. .reveal .slides > section > section[data-transition~=zoom-in].future,
  605. .reveal.zoom .slides > section > section:not([data-transition]).future {
  606. -webkit-transform: translate(0, 150%);
  607. transform: translate(0, 150%); }
  608. /*********************************************
  609. * CUBE TRANSITION
  610. *
  611. * WARNING:
  612. * this is deprecated and will be removed in a
  613. * future version.
  614. *********************************************/
  615. .reveal.cube .slides {
  616. -webkit-perspective: 1300px;
  617. perspective: 1300px; }
  618. .reveal.cube .slides section {
  619. padding: 30px;
  620. min-height: 700px;
  621. -webkit-backface-visibility: hidden;
  622. backface-visibility: hidden;
  623. box-sizing: border-box;
  624. -webkit-transform-style: preserve-3d;
  625. transform-style: preserve-3d; }
  626. .reveal.center.cube .slides section {
  627. min-height: 0; }
  628. .reveal.cube .slides section:not(.stack):before {
  629. content: '';
  630. position: absolute;
  631. display: block;
  632. width: 100%;
  633. height: 100%;
  634. left: 0;
  635. top: 0;
  636. background: rgba(0, 0, 0, 0.1);
  637. border-radius: 4px;
  638. -webkit-transform: translateZ(-20px);
  639. transform: translateZ(-20px); }
  640. .reveal.cube .slides section:not(.stack):after {
  641. content: '';
  642. position: absolute;
  643. display: block;
  644. width: 90%;
  645. height: 30px;
  646. left: 5%;
  647. bottom: 0;
  648. background: none;
  649. z-index: 1;
  650. border-radius: 4px;
  651. box-shadow: 0px 95px 25px rgba(0, 0, 0, 0.2);
  652. -webkit-transform: translateZ(-90px) rotateX(65deg);
  653. transform: translateZ(-90px) rotateX(65deg); }
  654. .reveal.cube .slides > section.stack {
  655. padding: 0;
  656. background: none; }
  657. .reveal.cube .slides > section.past {
  658. -webkit-transform-origin: 100% 0%;
  659. transform-origin: 100% 0%;
  660. -webkit-transform: translate3d(-100%, 0, 0) rotateY(-90deg);
  661. transform: translate3d(-100%, 0, 0) rotateY(-90deg); }
  662. .reveal.cube .slides > section.future {
  663. -webkit-transform-origin: 0% 0%;
  664. transform-origin: 0% 0%;
  665. -webkit-transform: translate3d(100%, 0, 0) rotateY(90deg);
  666. transform: translate3d(100%, 0, 0) rotateY(90deg); }
  667. .reveal.cube .slides > section > section.past {
  668. -webkit-transform-origin: 0% 100%;
  669. transform-origin: 0% 100%;
  670. -webkit-transform: translate3d(0, -100%, 0) rotateX(90deg);
  671. transform: translate3d(0, -100%, 0) rotateX(90deg); }
  672. .reveal.cube .slides > section > section.future {
  673. -webkit-transform-origin: 0% 0%;
  674. transform-origin: 0% 0%;
  675. -webkit-transform: translate3d(0, 100%, 0) rotateX(-90deg);
  676. transform: translate3d(0, 100%, 0) rotateX(-90deg); }
  677. /*********************************************
  678. * PAGE TRANSITION
  679. *
  680. * WARNING:
  681. * this is deprecated and will be removed in a
  682. * future version.
  683. *********************************************/
  684. .reveal.page .slides {
  685. -webkit-perspective-origin: 0% 50%;
  686. perspective-origin: 0% 50%;
  687. -webkit-perspective: 3000px;
  688. perspective: 3000px; }
  689. .reveal.page .slides section {
  690. padding: 30px;
  691. min-height: 700px;
  692. box-sizing: border-box;
  693. -webkit-transform-style: preserve-3d;
  694. transform-style: preserve-3d; }
  695. .reveal.page .slides section.past {
  696. z-index: 12; }
  697. .reveal.page .slides section:not(.stack):before {
  698. content: '';
  699. position: absolute;
  700. display: block;
  701. width: 100%;
  702. height: 100%;
  703. left: 0;
  704. top: 0;
  705. background: rgba(0, 0, 0, 0.1);
  706. -webkit-transform: translateZ(-20px);
  707. transform: translateZ(-20px); }
  708. .reveal.page .slides section:not(.stack):after {
  709. content: '';
  710. position: absolute;
  711. display: block;
  712. width: 90%;
  713. height: 30px;
  714. left: 5%;
  715. bottom: 0;
  716. background: none;
  717. z-index: 1;
  718. border-radius: 4px;
  719. box-shadow: 0px 95px 25px rgba(0, 0, 0, 0.2);
  720. -webkit-transform: translateZ(-90px) rotateX(65deg); }
  721. .reveal.page .slides > section.stack {
  722. padding: 0;
  723. background: none; }
  724. .reveal.page .slides > section.past {
  725. -webkit-transform-origin: 0% 0%;
  726. transform-origin: 0% 0%;
  727. -webkit-transform: translate3d(-40%, 0, 0) rotateY(-80deg);
  728. transform: translate3d(-40%, 0, 0) rotateY(-80deg); }
  729. .reveal.page .slides > section.future {
  730. -webkit-transform-origin: 100% 0%;
  731. transform-origin: 100% 0%;
  732. -webkit-transform: translate3d(0, 0, 0);
  733. transform: translate3d(0, 0, 0); }
  734. .reveal.page .slides > section > section.past {
  735. -webkit-transform-origin: 0% 0%;
  736. transform-origin: 0% 0%;
  737. -webkit-transform: translate3d(0, -40%, 0) rotateX(80deg);
  738. transform: translate3d(0, -40%, 0) rotateX(80deg); }
  739. .reveal.page .slides > section > section.future {
  740. -webkit-transform-origin: 0% 100%;
  741. transform-origin: 0% 100%;
  742. -webkit-transform: translate3d(0, 0, 0);
  743. transform: translate3d(0, 0, 0); }
  744. /*********************************************
  745. * FADE TRANSITION
  746. *********************************************/
  747. .reveal .slides section[data-transition=fade],
  748. .reveal.fade .slides section:not([data-transition]),
  749. .reveal.fade .slides > section > section:not([data-transition]) {
  750. -webkit-transform: none;
  751. transform: none;
  752. -webkit-transition: opacity 0.5s;
  753. transition: opacity 0.5s; }
  754. .reveal.fade.overview .slides section,
  755. .reveal.fade.overview .slides > section > section {
  756. -webkit-transition: none;
  757. transition: none; }
  758. /*********************************************
  759. * NO TRANSITION
  760. *********************************************/
  761. .reveal .slides section[data-transition=none],
  762. .reveal.none .slides section:not([data-transition]) {
  763. -webkit-transform: none;
  764. transform: none;
  765. -webkit-transition: none;
  766. transition: none; }
  767. /*********************************************
  768. * PAUSED MODE
  769. *********************************************/
  770. .reveal .pause-overlay {
  771. position: absolute;
  772. top: 0;
  773. left: 0;
  774. width: 100%;
  775. height: 100%;
  776. background: black;
  777. visibility: hidden;
  778. opacity: 0;
  779. z-index: 100;
  780. -webkit-transition: all 1s ease;
  781. transition: all 1s ease; }
  782. .reveal.paused .pause-overlay {
  783. visibility: visible;
  784. opacity: 1; }
  785. /*********************************************
  786. * FALLBACK
  787. *********************************************/
  788. .no-transforms {
  789. overflow-y: auto; }
  790. .no-transforms .reveal .slides {
  791. position: relative;
  792. width: 80%;
  793. height: auto !important;
  794. top: 0;
  795. left: 50%;
  796. margin: 0;
  797. text-align: center; }
  798. .no-transforms .reveal .controls,
  799. .no-transforms .reveal .progress {
  800. display: none !important; }
  801. .no-transforms .reveal .slides section {
  802. display: block !important;
  803. opacity: 1 !important;
  804. position: relative !important;
  805. height: auto;
  806. min-height: 0;
  807. top: 0;
  808. left: -50%;
  809. margin: 70px 0;
  810. -webkit-transform: none;
  811. transform: none; }
  812. .no-transforms .reveal .slides section section {
  813. left: 0; }
  814. .reveal .no-transition,
  815. .reveal .no-transition * {
  816. -webkit-transition: none !important;
  817. transition: none !important; }
  818. /*********************************************
  819. * PER-SLIDE BACKGROUNDS
  820. *********************************************/
  821. .reveal .backgrounds {
  822. position: absolute;
  823. width: 100%;
  824. height: 100%;
  825. top: 0;
  826. left: 0;
  827. -webkit-perspective: 600px;
  828. perspective: 600px; }
  829. .reveal .slide-background {
  830. display: none;
  831. position: absolute;
  832. width: 100%;
  833. height: 100%;
  834. opacity: 0;
  835. visibility: hidden;
  836. overflow: hidden;
  837. background-color: transparent;
  838. background-position: 50% 50%;
  839. background-repeat: no-repeat;
  840. background-size: cover;
  841. -webkit-transition: all 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
  842. transition: all 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985); }
  843. .reveal .slide-background.stack {
  844. display: block; }
  845. .reveal .slide-background.present {
  846. opacity: 1;
  847. visibility: visible;
  848. z-index: 2; }
  849. .print-pdf .reveal .slide-background {
  850. opacity: 1 !important;
  851. visibility: visible !important; }
  852. /* Video backgrounds */
  853. .reveal .slide-background video {
  854. position: absolute;
  855. width: 100%;
  856. height: 100%;
  857. max-width: none;
  858. max-height: none;
  859. top: 0;
  860. left: 0;
  861. -o-object-fit: cover;
  862. object-fit: cover; }
  863. .reveal .slide-background[data-background-size="contain"] video {
  864. -o-object-fit: contain;
  865. object-fit: contain; }
  866. /* Immediate transition style */
  867. .reveal[data-background-transition=none] > .backgrounds .slide-background,
  868. .reveal > .backgrounds .slide-background[data-background-transition=none] {
  869. -webkit-transition: none;
  870. transition: none; }
  871. /* Slide */
  872. .reveal[data-background-transition=slide] > .backgrounds .slide-background,
  873. .reveal > .backgrounds .slide-background[data-background-transition=slide] {
  874. opacity: 1;
  875. -webkit-backface-visibility: hidden;
  876. backface-visibility: hidden; }
  877. .reveal[data-background-transition=slide] > .backgrounds .slide-background.past,
  878. .reveal > .backgrounds .slide-background.past[data-background-transition=slide] {
  879. -webkit-transform: translate(-100%, 0);
  880. transform: translate(-100%, 0); }
  881. .reveal[data-background-transition=slide] > .backgrounds .slide-background.future,
  882. .reveal > .backgrounds .slide-background.future[data-background-transition=slide] {
  883. -webkit-transform: translate(100%, 0);
  884. transform: translate(100%, 0); }
  885. .reveal[data-background-transition=slide] > .backgrounds .slide-background > .slide-background.past,
  886. .reveal > .backgrounds .slide-background > .slide-background.past[data-background-transition=slide] {
  887. -webkit-transform: translate(0, -100%);
  888. transform: translate(0, -100%); }
  889. .reveal[data-background-transition=slide] > .backgrounds .slide-background > .slide-background.future,
  890. .reveal > .backgrounds .slide-background > .slide-background.future[data-background-transition=slide] {
  891. -webkit-transform: translate(0, 100%);
  892. transform: translate(0, 100%); }
  893. /* Convex */
  894. .reveal[data-background-transition=convex] > .backgrounds .slide-background.past,
  895. .reveal > .backgrounds .slide-background.past[data-background-transition=convex] {
  896. opacity: 0;
  897. -webkit-transform: translate3d(-100%, 0, 0) rotateY(-90deg) translate3d(-100%, 0, 0);
  898. transform: translate3d(-100%, 0, 0) rotateY(-90deg) translate3d(-100%, 0, 0); }
  899. .reveal[data-background-transition=convex] > .backgrounds .slide-background.future,
  900. .reveal > .backgrounds .slide-background.future[data-background-transition=convex] {
  901. opacity: 0;
  902. -webkit-transform: translate3d(100%, 0, 0) rotateY(90deg) translate3d(100%, 0, 0);
  903. transform: translate3d(100%, 0, 0) rotateY(90deg) translate3d(100%, 0, 0); }
  904. .reveal[data-background-transition=convex] > .backgrounds .slide-background > .slide-background.past,
  905. .reveal > .backgrounds .slide-background > .slide-background.past[data-background-transition=convex] {
  906. opacity: 0;
  907. -webkit-transform: translate3d(0, -100%, 0) rotateX(90deg) translate3d(0, -100%, 0);
  908. transform: translate3d(0, -100%, 0) rotateX(90deg) translate3d(0, -100%, 0); }
  909. .reveal[data-background-transition=convex] > .backgrounds .slide-background > .slide-background.future,
  910. .reveal > .backgrounds .slide-background > .slide-background.future[data-background-transition=convex] {
  911. opacity: 0;
  912. -webkit-transform: translate3d(0, 100%, 0) rotateX(-90deg) translate3d(0, 100%, 0);
  913. transform: translate3d(0, 100%, 0) rotateX(-90deg) translate3d(0, 100%, 0); }
  914. /* Concave */
  915. .reveal[data-background-transition=concave] > .backgrounds .slide-background.past,
  916. .reveal > .backgrounds .slide-background.past[data-background-transition=concave] {
  917. opacity: 0;
  918. -webkit-transform: translate3d(-100%, 0, 0) rotateY(90deg) translate3d(-100%, 0, 0);
  919. transform: translate3d(-100%, 0, 0) rotateY(90deg) translate3d(-100%, 0, 0); }
  920. .reveal[data-background-transition=concave] > .backgrounds .slide-background.future,
  921. .reveal > .backgrounds .slide-background.future[data-background-transition=concave] {
  922. opacity: 0;
  923. -webkit-transform: translate3d(100%, 0, 0) rotateY(-90deg) translate3d(100%, 0, 0);
  924. transform: translate3d(100%, 0, 0) rotateY(-90deg) translate3d(100%, 0, 0); }
  925. .reveal[data-background-transition=concave] > .backgrounds .slide-background > .slide-background.past,
  926. .reveal > .backgrounds .slide-background > .slide-background.past[data-background-transition=concave] {
  927. opacity: 0;
  928. -webkit-transform: translate3d(0, -100%, 0) rotateX(-90deg) translate3d(0, -100%, 0);
  929. transform: translate3d(0, -100%, 0) rotateX(-90deg) translate3d(0, -100%, 0); }
  930. .reveal[data-background-transition=concave] > .backgrounds .slide-background > .slide-background.future,
  931. .reveal > .backgrounds .slide-background > .slide-background.future[data-background-transition=concave] {
  932. opacity: 0;
  933. -webkit-transform: translate3d(0, 100%, 0) rotateX(90deg) translate3d(0, 100%, 0);
  934. transform: translate3d(0, 100%, 0) rotateX(90deg) translate3d(0, 100%, 0); }
  935. /* Zoom */
  936. .reveal[data-background-transition=zoom] > .backgrounds .slide-background,
  937. .reveal > .backgrounds .slide-background[data-background-transition=zoom] {
  938. -webkit-transition-timing-function: ease;
  939. transition-timing-function: ease; }
  940. .reveal[data-background-transition=zoom] > .backgrounds .slide-background.past,
  941. .reveal > .backgrounds .slide-background.past[data-background-transition=zoom] {
  942. opacity: 0;
  943. visibility: hidden;
  944. -webkit-transform: scale(16);
  945. transform: scale(16); }
  946. .reveal[data-background-transition=zoom] > .backgrounds .slide-background.future,
  947. .reveal > .backgrounds .slide-background.future[data-background-transition=zoom] {
  948. opacity: 0;
  949. visibility: hidden;
  950. -webkit-transform: scale(0.2);
  951. transform: scale(0.2); }
  952. .reveal[data-background-transition=zoom] > .backgrounds .slide-background > .slide-background.past,
  953. .reveal > .backgrounds .slide-background > .slide-background.past[data-background-transition=zoom] {
  954. opacity: 0;
  955. visibility: hidden;
  956. -webkit-transform: scale(16);
  957. transform: scale(16); }
  958. .reveal[data-background-transition=zoom] > .backgrounds .slide-background > .slide-background.future,
  959. .reveal > .backgrounds .slide-background > .slide-background.future[data-background-transition=zoom] {
  960. opacity: 0;
  961. visibility: hidden;
  962. -webkit-transform: scale(0.2);
  963. transform: scale(0.2); }
  964. /* Global transition speed settings */
  965. .reveal[data-transition-speed="fast"] > .backgrounds .slide-background {
  966. -webkit-transition-duration: 400ms;
  967. transition-duration: 400ms; }
  968. .reveal[data-transition-speed="slow"] > .backgrounds .slide-background {
  969. -webkit-transition-duration: 1200ms;
  970. transition-duration: 1200ms; }
  971. /*********************************************
  972. * OVERVIEW
  973. *********************************************/
  974. .reveal.overview {
  975. -webkit-perspective-origin: 50% 50%;
  976. perspective-origin: 50% 50%;
  977. -webkit-perspective: 700px;
  978. perspective: 700px; }
  979. .reveal.overview .slides {
  980. -moz-transform-style: preserve-3d; }
  981. .reveal.overview .slides section {
  982. height: 100%;
  983. top: 0 !important;
  984. opacity: 1 !important;
  985. overflow: hidden;
  986. visibility: visible !important;
  987. cursor: pointer;
  988. box-sizing: border-box; }
  989. .reveal.overview .slides section:hover,
  990. .reveal.overview .slides section.present {
  991. outline: 10px solid rgba(150, 150, 150, 0.4);
  992. outline-offset: 10px; }
  993. .reveal.overview .slides section .fragment {
  994. opacity: 1;
  995. -webkit-transition: none;
  996. transition: none; }
  997. .reveal.overview .slides section:after,
  998. .reveal.overview .slides section:before {
  999. display: none !important; }
  1000. .reveal.overview .slides > section.stack {
  1001. padding: 0;
  1002. top: 0 !important;
  1003. background: none;
  1004. outline: none;
  1005. overflow: visible; }
  1006. .reveal.overview .backgrounds {
  1007. -webkit-perspective: inherit;
  1008. perspective: inherit;
  1009. -moz-transform-style: preserve-3d; }
  1010. .reveal.overview .backgrounds .slide-background {
  1011. opacity: 1;
  1012. visibility: visible;
  1013. outline: 10px solid rgba(150, 150, 150, 0.1);
  1014. outline-offset: 10px; }
  1015. .reveal.overview .backgrounds .slide-background.stack {
  1016. overflow: visible; }
  1017. .reveal.overview .slides section,
  1018. .reveal.overview-deactivating .slides section {
  1019. -webkit-transition: none;
  1020. transition: none; }
  1021. .reveal.overview .backgrounds .slide-background,
  1022. .reveal.overview-deactivating .backgrounds .slide-background {
  1023. -webkit-transition: none;
  1024. transition: none; }
  1025. /*********************************************
  1026. * RTL SUPPORT
  1027. *********************************************/
  1028. .reveal.rtl .slides,
  1029. .reveal.rtl .slides h1,
  1030. .reveal.rtl .slides h2,
  1031. .reveal.rtl .slides h3,
  1032. .reveal.rtl .slides h4,
  1033. .reveal.rtl .slides h5,
  1034. .reveal.rtl .slides h6 {
  1035. direction: rtl;
  1036. font-family: sans-serif; }
  1037. .reveal.rtl pre,
  1038. .reveal.rtl code {
  1039. direction: ltr; }
  1040. .reveal.rtl ol,
  1041. .reveal.rtl ul {
  1042. text-align: right; }
  1043. .reveal.rtl .progress span {
  1044. float: right; }
  1045. /*********************************************
  1046. * PARALLAX BACKGROUND
  1047. *********************************************/
  1048. .reveal.has-parallax-background .backgrounds {
  1049. -webkit-transition: all 0.8s ease;
  1050. transition: all 0.8s ease; }
  1051. /* Global transition speed settings */
  1052. .reveal.has-parallax-background[data-transition-speed="fast"] .backgrounds {
  1053. -webkit-transition-duration: 400ms;
  1054. transition-duration: 400ms; }
  1055. .reveal.has-parallax-background[data-transition-speed="slow"] .backgrounds {
  1056. -webkit-transition-duration: 1200ms;
  1057. transition-duration: 1200ms; }
  1058. /*********************************************
  1059. * LINK PREVIEW OVERLAY
  1060. *********************************************/
  1061. .reveal .overlay {
  1062. position: absolute;
  1063. top: 0;
  1064. left: 0;
  1065. width: 100%;
  1066. height: 100%;
  1067. z-index: 1000;
  1068. background: rgba(0, 0, 0, 0.9);
  1069. opacity: 0;
  1070. visibility: hidden;
  1071. -webkit-transition: all 0.3s ease;
  1072. transition: all 0.3s ease; }
  1073. .reveal .overlay.visible {
  1074. opacity: 1;
  1075. visibility: visible; }
  1076. .reveal .overlay .spinner {
  1077. position: absolute;
  1078. display: block;
  1079. top: 50%;
  1080. left: 50%;
  1081. width: 32px;
  1082. height: 32px;
  1083. margin: -16px 0 0 -16px;
  1084. z-index: 10;
  1085. background-image: url(data:image/gif;base64,R0lGODlhIAAgAPMAAJmZmf%2F%2F%2F6%2Bvr8nJybW1tcDAwOjo6Nvb26ioqKOjo7Ozs%2FLy8vz8%2FAAAAAAAAAAAACH%2FC05FVFNDQVBFMi4wAwEAAAAh%2FhpDcmVhdGVkIHdpdGggYWpheGxvYWQuaW5mbwAh%2BQQJCgAAACwAAAAAIAAgAAAE5xDISWlhperN52JLhSSdRgwVo1ICQZRUsiwHpTJT4iowNS8vyW2icCF6k8HMMBkCEDskxTBDAZwuAkkqIfxIQyhBQBFvAQSDITM5VDW6XNE4KagNh6Bgwe60smQUB3d4Rz1ZBApnFASDd0hihh12BkE9kjAJVlycXIg7CQIFA6SlnJ87paqbSKiKoqusnbMdmDC2tXQlkUhziYtyWTxIfy6BE8WJt5YJvpJivxNaGmLHT0VnOgSYf0dZXS7APdpB309RnHOG5gDqXGLDaC457D1zZ%2FV%2FnmOM82XiHRLYKhKP1oZmADdEAAAh%2BQQJCgAAACwAAAAAIAAgAAAE6hDISWlZpOrNp1lGNRSdRpDUolIGw5RUYhhHukqFu8DsrEyqnWThGvAmhVlteBvojpTDDBUEIFwMFBRAmBkSgOrBFZogCASwBDEY%2FCZSg7GSE0gSCjQBMVG023xWBhklAnoEdhQEfyNqMIcKjhRsjEdnezB%2BA4k8gTwJhFuiW4dokXiloUepBAp5qaKpp6%2BHo7aWW54wl7obvEe0kRuoplCGepwSx2jJvqHEmGt6whJpGpfJCHmOoNHKaHx61WiSR92E4lbFoq%2BB6QDtuetcaBPnW6%2BO7wDHpIiK9SaVK5GgV543tzjgGcghAgAh%2BQQJCgAAACwAAAAAIAAgAAAE7hDISSkxpOrN5zFHNWRdhSiVoVLHspRUMoyUakyEe8PTPCATW9A14E0UvuAKMNAZKYUZCiBMuBakSQKG8G2FzUWox2AUtAQFcBKlVQoLgQReZhQlCIJesQXI5B0CBnUMOxMCenoCfTCEWBsJColTMANldx15BGs8B5wlCZ9Po6OJkwmRpnqkqnuSrayqfKmqpLajoiW5HJq7FL1Gr2mMMcKUMIiJgIemy7xZtJsTmsM4xHiKv5KMCXqfyUCJEonXPN2rAOIAmsfB3uPoAK%2B%2BG%2Bw48edZPK%2BM6hLJpQg484enXIdQFSS1u6UhksENEQAAIfkECQoAAAAsAAAAACAAIAAABOcQyEmpGKLqzWcZRVUQnZYg1aBSh2GUVEIQ2aQOE%2BG%2BcD4ntpWkZQj1JIiZIogDFFyHI0UxQwFugMSOFIPJftfVAEoZLBbcLEFhlQiqGp1Vd140AUklUN3eCA51C1EWMzMCezCBBmkxVIVHBWd3HHl9JQOIJSdSnJ0TDKChCwUJjoWMPaGqDKannasMo6WnM562R5YluZRwur0wpgqZE7NKUm%2BFNRPIhjBJxKZteWuIBMN4zRMIVIhffcgojwCF117i4nlLnY5ztRLsnOk%2BaV%2BoJY7V7m76PdkS4trKcdg0Zc0tTcKkRAAAIfkECQoAAAAsAAAAACAAIAAABO4QyEkpKqjqzScpRaVkXZWQEximw1BSCUEIlDohrft6cpKCk5xid5MNJTaAIkekKGQkWyKHkvhKsR7ARmitkAYDYRIbUQRQjWBwJRzChi9CRlBcY1UN4g0%2FVNB0AlcvcAYHRyZPdEQFYV8ccwR5HWxEJ02YmRMLnJ1xCYp0Y5idpQuhopmmC2KgojKasUQDk5BNAwwMOh2RtRq5uQuPZKGIJQIGwAwGf6I0JXMpC8C7kXWDBINFMxS4DKMAWVWAGYsAdNqW5uaRxkSKJOZKaU3tPOBZ4DuK2LATgJhkPJMgTwKCdFjyPHEnKxFCDhEAACH5BAkKAAAALAAAAAAgACAAAATzEMhJaVKp6s2nIkolIJ2WkBShpkVRWqqQrhLSEu9MZJKK9y1ZrqYK9WiClmvoUaF8gIQSNeF1Er4MNFn4SRSDARWroAIETg1iVwuHjYB1kYc1mwruwXKC9gmsJXliGxc%2BXiUCby9ydh1sOSdMkpMTBpaXBzsfhoc5l58Gm5yToAaZhaOUqjkDgCWNHAULCwOLaTmzswadEqggQwgHuQsHIoZCHQMMQgQGubVEcxOPFAcMDAYUA85eWARmfSRQCdcMe0zeP1AAygwLlJtPNAAL19DARdPzBOWSm1brJBi45soRAWQAAkrQIykShQ9wVhHCwCQCACH5BAkKAAAALAAAAAAgACAAAATrEMhJaVKp6s2nIkqFZF2VIBWhUsJaTokqUCoBq%2BE71SRQeyqUToLA7VxF0JDyIQh%2FMVVPMt1ECZlfcjZJ9mIKoaTl1MRIl5o4CUKXOwmyrCInCKqcWtvadL2SYhyASyNDJ0uIiRMDjI0Fd30%2FiI2UA5GSS5UDj2l6NoqgOgN4gksEBgYFf0FDqKgHnyZ9OX8HrgYHdHpcHQULXAS2qKpENRg7eAMLC7kTBaixUYFkKAzWAAnLC7FLVxLWDBLKCwaKTULgEwbLA4hJtOkSBNqITT3xEgfLpBtzE%2FjiuL04RGEBgwWhShRgQExHBAAh%2BQQJCgAAACwAAAAAIAAgAAAE7xDISWlSqerNpyJKhWRdlSAVoVLCWk6JKlAqAavhO9UkUHsqlE6CwO1cRdCQ8iEIfzFVTzLdRAmZX3I2SfZiCqGk5dTESJeaOAlClzsJsqwiJwiqnFrb2nS9kmIcgEsjQydLiIlHehhpejaIjzh9eomSjZR%2BipslWIRLAgMDOR2DOqKogTB9pCUJBagDBXR6XB0EBkIIsaRsGGMMAxoDBgYHTKJiUYEGDAzHC9EACcUGkIgFzgwZ0QsSBcXHiQvOwgDdEwfFs0sDzt4S6BK4xYjkDOzn0unFeBzOBijIm1Dgmg5YFQwsCMjp1oJ8LyIAACH5BAkKAAAALAAAAAAgACAAAATwEMhJaVKp6s2nIkqFZF2VIBWhUsJaTokqUCoBq%2BE71SRQeyqUToLA7VxF0JDyIQh%2FMVVPMt1ECZlfcjZJ9mIKoaTl1MRIl5o4CUKXOwmyrCInCKqcWtvadL2SYhyASyNDJ0uIiUd6GGl6NoiPOH16iZKNlH6KmyWFOggHhEEvAwwMA0N9GBsEC6amhnVcEwavDAazGwIDaH1ipaYLBUTCGgQDA8NdHz0FpqgTBwsLqAbWAAnIA4FWKdMLGdYGEgraigbT0OITBcg5QwPT4xLrROZL6AuQAPUS7bxLpoWidY0JtxLHKhwwMJBTHgPKdEQAACH5BAkKAAAALAAAAAAgACAAAATrEMhJaVKp6s2nIkqFZF2VIBWhUsJaTokqUCoBq%2BE71SRQeyqUToLA7VxF0JDyIQh%2FMVVPMt1ECZlfcjZJ9mIKoaTl1MRIl5o4CUKXOwmyrCInCKqcWtvadL2SYhyASyNDJ0uIiUd6GAULDJCRiXo1CpGXDJOUjY%2BYip9DhToJA4RBLwMLCwVDfRgbBAaqqoZ1XBMHswsHtxtFaH1iqaoGNgAIxRpbFAgfPQSqpbgGBqUD1wBXeCYp1AYZ19JJOYgH1KwA4UBvQwXUBxPqVD9L3sbp2BNk2xvvFPJd%2BMFCN6HAAIKgNggY0KtEBAAh%2BQQJCgAAACwAAAAAIAAgAAAE6BDISWlSqerNpyJKhWRdlSAVoVLCWk6JKlAqAavhO9UkUHsqlE6CwO1cRdCQ8iEIfzFVTzLdRAmZX3I2SfYIDMaAFdTESJeaEDAIMxYFqrOUaNW4E4ObYcCXaiBVEgULe0NJaxxtYksjh2NLkZISgDgJhHthkpU4mW6blRiYmZOlh4JWkDqILwUGBnE6TYEbCgevr0N1gH4At7gHiRpFaLNrrq8HNgAJA70AWxQIH1%2BvsYMDAzZQPC9VCNkDWUhGkuE5PxJNwiUK4UfLzOlD4WvzAHaoG9nxPi5d%2BjYUqfAhhykOFwJWiAAAIfkECQoAAAAsAAAAACAAIAAABPAQyElpUqnqzaciSoVkXVUMFaFSwlpOCcMYlErAavhOMnNLNo8KsZsMZItJEIDIFSkLGQoQTNhIsFehRww2CQLKF0tYGKYSg%2BygsZIuNqJksKgbfgIGepNo2cIUB3V1B3IvNiBYNQaDSTtfhhx0CwVPI0UJe0%2Bbm4g5VgcGoqOcnjmjqDSdnhgEoamcsZuXO1aWQy8KAwOAuTYYGwi7w5h%2BKr0SJ8MFihpNbx%2B4Erq7BYBuzsdiH1jCAzoSfl0rVirNbRXlBBlLX%2BBP0XJLAPGzTkAuAOqb0WT5AH7OcdCm5B8TgRwSRKIHQtaLCwg1RAAAOwAAAAAAAAAAAA%3D%3D);
  1086. visibility: visible;
  1087. opacity: 0.6;
  1088. -webkit-transition: all 0.3s ease;
  1089. transition: all 0.3s ease; }
  1090. .reveal .overlay header {
  1091. position: absolute;
  1092. left: 0;
  1093. top: 0;
  1094. width: 100%;
  1095. height: 40px;
  1096. z-index: 2;
  1097. border-bottom: 1px solid #222; }
  1098. .reveal .overlay header a {
  1099. display: inline-block;
  1100. width: 40px;
  1101. height: 40px;
  1102. line-height: 36px;
  1103. padding: 0 10px;
  1104. float: right;
  1105. opacity: 0.6;
  1106. box-sizing: border-box; }
  1107. .reveal .overlay header a:hover {
  1108. opacity: 1; }
  1109. .reveal .overlay header a .icon {
  1110. display: inline-block;
  1111. width: 20px;
  1112. height: 20px;
  1113. background-position: 50% 50%;
  1114. background-size: 100%;
  1115. background-repeat: no-repeat; }
  1116. .reveal .overlay header a.close .icon {
  1117. background-image: url(data:image/png;base64,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); }
  1118. .reveal .overlay header a.external .icon {
  1119. background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAAcElEQVRYR+2WSQoAIQwEzf8f7XiOMkUQxUPlGkM3hVmiQfQR9GYnH1SsAQlI4DiBqkCMoNb9y2e90IAEJPAcgdznU9+engMaeJ7Azh5Y1U67gAho4DqBqmB1buAf0MB1AlVBek83ZPkmJMGc1wAR+AAqod/B97TRpQAAAABJRU5ErkJggg==); }
  1120. .reveal .overlay .viewport {
  1121. position: absolute;
  1122. display: -webkit-box;
  1123. display: -webkit-flex;
  1124. display: -ms-flexbox;
  1125. display: flex;
  1126. top: 40px;
  1127. right: 0;
  1128. bottom: 0;
  1129. left: 0; }
  1130. .reveal .overlay.overlay-preview .viewport iframe {
  1131. width: 100%;
  1132. height: 100%;
  1133. max-width: 100%;
  1134. max-height: 100%;
  1135. border: 0;
  1136. opacity: 0;
  1137. visibility: hidden;
  1138. -webkit-transition: all 0.3s ease;
  1139. transition: all 0.3s ease; }
  1140. .reveal .overlay.overlay-preview.loaded .viewport iframe {
  1141. opacity: 1;
  1142. visibility: visible; }
  1143. .reveal .overlay.overlay-preview.loaded .viewport-inner {
  1144. position: absolute;
  1145. z-index: -1;
  1146. left: 0;
  1147. top: 45%;
  1148. width: 100%;
  1149. text-align: center;
  1150. letter-spacing: normal; }
  1151. .reveal .overlay.overlay-preview .x-frame-error {
  1152. opacity: 0;
  1153. -webkit-transition: opacity 0.3s ease 0.3s;
  1154. transition: opacity 0.3s ease 0.3s; }
  1155. .reveal .overlay.overlay-preview.loaded .x-frame-error {
  1156. opacity: 1; }
  1157. .reveal .overlay.overlay-preview.loaded .spinner {
  1158. opacity: 0;
  1159. visibility: hidden;
  1160. -webkit-transform: scale(0.2);
  1161. transform: scale(0.2); }
  1162. .reveal .overlay.overlay-help .viewport {
  1163. overflow: auto;
  1164. color: #fff; }
  1165. .reveal .overlay.overlay-help .viewport .viewport-inner {
  1166. width: 600px;
  1167. margin: auto;
  1168. padding: 20px 20px 80px 20px;
  1169. text-align: center;
  1170. letter-spacing: normal; }
  1171. .reveal .overlay.overlay-help .viewport .viewport-inner .title {
  1172. font-size: 20px; }
  1173. .reveal .overlay.overlay-help .viewport .viewport-inner table {
  1174. border: 1px solid #fff;
  1175. border-collapse: collapse;
  1176. font-size: 16px; }
  1177. .reveal .overlay.overlay-help .viewport .viewport-inner table th,
  1178. .reveal .overlay.overlay-help .viewport .viewport-inner table td {
  1179. width: 200px;
  1180. padding: 14px;
  1181. border: 1px solid #fff;
  1182. vertical-align: middle; }
  1183. .reveal .overlay.overlay-help .viewport .viewport-inner table th {
  1184. padding-top: 20px;
  1185. padding-bottom: 20px; }
  1186. /*********************************************
  1187. * PLAYBACK COMPONENT
  1188. *********************************************/
  1189. .reveal .playback {
  1190. position: fixed;
  1191. left: 15px;
  1192. bottom: 20px;
  1193. z-index: 30;
  1194. cursor: pointer;
  1195. -webkit-transition: all 400ms ease;
  1196. transition: all 400ms ease; }
  1197. .reveal.overview .playback {
  1198. opacity: 0;
  1199. visibility: hidden; }
  1200. /*********************************************
  1201. * ROLLING LINKS
  1202. *********************************************/
  1203. .reveal .roll {
  1204. display: inline-block;
  1205. line-height: 1.2;
  1206. overflow: hidden;
  1207. vertical-align: top;
  1208. -webkit-perspective: 400px;
  1209. perspective: 400px;
  1210. -webkit-perspective-origin: 50% 50%;
  1211. perspective-origin: 50% 50%; }
  1212. .reveal .roll:hover {
  1213. background: none;
  1214. text-shadow: none; }
  1215. .reveal .roll span {
  1216. display: block;
  1217. position: relative;
  1218. padding: 0 2px;
  1219. pointer-events: none;
  1220. -webkit-transition: all 400ms ease;
  1221. transition: all 400ms ease;
  1222. -webkit-transform-origin: 50% 0%;
  1223. transform-origin: 50% 0%;
  1224. -webkit-transform-style: preserve-3d;
  1225. transform-style: preserve-3d;
  1226. -webkit-backface-visibility: hidden;
  1227. backface-visibility: hidden; }
  1228. .reveal .roll:hover span {
  1229. background: rgba(0, 0, 0, 0.5);
  1230. -webkit-transform: translate3d(0px, 0px, -45px) rotateX(90deg);
  1231. transform: translate3d(0px, 0px, -45px) rotateX(90deg); }
  1232. .reveal .roll span:after {
  1233. content: attr(data-title);
  1234. display: block;
  1235. position: absolute;
  1236. left: 0;
  1237. top: 0;
  1238. padding: 0 2px;
  1239. -webkit-backface-visibility: hidden;
  1240. backface-visibility: hidden;
  1241. -webkit-transform-origin: 50% 0%;
  1242. transform-origin: 50% 0%;
  1243. -webkit-transform: translate3d(0px, 110%, 0px) rotateX(-90deg);
  1244. transform: translate3d(0px, 110%, 0px) rotateX(-90deg); }
  1245. /*********************************************
  1246. * SPEAKER NOTES
  1247. *********************************************/
  1248. .reveal aside.notes {
  1249. display: none; }
  1250. .reveal .speaker-notes {
  1251. display: none;
  1252. position: absolute;
  1253. width: 70%;
  1254. max-height: 15%;
  1255. left: 15%;
  1256. bottom: 26px;
  1257. padding: 10px;
  1258. z-index: 1;
  1259. font-size: 18px;
  1260. line-height: 1.4;
  1261. color: #fff;
  1262. background-color: rgba(0, 0, 0, 0.5);
  1263. overflow: auto;
  1264. box-sizing: border-box;
  1265. text-align: left;
  1266. font-family: Helvetica, sans-serif;
  1267. -webkit-overflow-scrolling: touch; }
  1268. .reveal .speaker-notes.visible:not(:empty) {
  1269. display: block; }
  1270. @media screen and (max-width: 1024px) {
  1271. .reveal .speaker-notes {
  1272. font-size: 14px; } }
  1273. @media screen and (max-width: 600px) {
  1274. .reveal .speaker-notes {
  1275. width: 90%;
  1276. left: 5%; } }
  1277. /*********************************************
  1278. * ZOOM PLUGIN
  1279. *********************************************/
  1280. .zoomed .reveal *,
  1281. .zoomed .reveal *:before,
  1282. .zoomed .reveal *:after {
  1283. -webkit-backface-visibility: visible !important;
  1284. backface-visibility: visible !important; }
  1285. .zoomed .reveal .progress,
  1286. .zoomed .reveal .controls {
  1287. opacity: 0; }
  1288. .zoomed .reveal .roll span {
  1289. background: none; }
  1290. .zoomed .reveal .roll span:after {
  1291. visibility: hidden; }