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- // Mixins.less
- // Snippets of reusable CSS to develop faster and keep code readable
- // -----------------------------------------------------------------
- // UTILITY MIXINS
- // --------------------------------------------------
- // Clearfix
- // --------
- // For clearing floats like a boss h5bp.com/q
- .clearfix {
- *zoom: 1;
- &:before,
- &:after {
- display: table;
- content: "";
- }
- &:after {
- clear: both;
- }
- }
- // Webkit-style focus
- // ------------------
- .tab-focus() {
- // Default
- outline: thin dotted #333;
- // Webkit
- outline: 5px auto -webkit-focus-ring-color;
- outline-offset: -2px;
- }
- // Center-align a block level element
- // ----------------------------------
- .center-block() {
- display: block;
- margin-left: auto;
- margin-right: auto;
- }
- // IE7 inline-block
- // ----------------
- .ie7-inline-block() {
- *display: inline; /* IE7 inline-block hack */
- *zoom: 1;
- }
- // IE7 likes to collapse whitespace on either side of the inline-block elements.
- // Ems because we're attempting to match the width of a space character. Left
- // version is for form buttons, which typically come after other elements, and
- // right version is for icons, which come before. Applying both is ok, but it will
- // mean that space between those elements will be .6em (~2 space characters) in IE7,
- // instead of the 1 space in other browsers.
- .ie7-restore-left-whitespace() {
- *margin-left: .3em;
- &:first-child {
- *margin-left: 0;
- }
- }
- .ie7-restore-right-whitespace() {
- *margin-right: .3em;
- &:last-child {
- *margin-left: 0;
- }
- }
- // Sizing shortcuts
- // -------------------------
- .size(@height: 5px, @width: 5px) {
- width: @width;
- height: @height;
- }
- .square(@size: 5px) {
- .size(@size, @size);
- }
- // Placeholder text
- // -------------------------
- .placeholder(@color: @placeholderText) {
- :-moz-placeholder {
- color: @color;
- }
- ::-webkit-input-placeholder {
- color: @color;
- }
- }
- // Text overflow
- // -------------------------
- // Requires inline-block or block for proper styling
- .text-overflow() {
- overflow: hidden;
- text-overflow: ellipsis;
- white-space: nowrap;
- }
- // New image replacement
- // -------------------------
- // Source: http://www.zeldman.com/2012/03/01/replacing-the-9999px-hack-new-image-replacement/
- .hide-text {
- overflow: hidden;
- text-indent: 100%;
- white-space: nowrap;
- }
- // FONTS
- // --------------------------------------------------
- #font {
- #family {
- .serif() {
- font-family: Georgia, "Times New Roman", Times, serif;
- }
- .sans-serif() {
- font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
- }
- .monospace() {
- font-family: Menlo, Monaco, "Courier New", monospace;
- }
- }
- .shorthand(@size: @baseFontSize, @weight: normal, @lineHeight: @baseLineHeight) {
- font-size: @size;
- font-weight: @weight;
- line-height: @lineHeight;
- }
- .serif(@size: @baseFontSize, @weight: normal, @lineHeight: @baseLineHeight) {
- #font > #family > .serif;
- #font > .shorthand(@size, @weight, @lineHeight);
- }
- .sans-serif(@size: @baseFontSize, @weight: normal, @lineHeight: @baseLineHeight) {
- #font > #family > .sans-serif;
- #font > .shorthand(@size, @weight, @lineHeight);
- }
- .monospace(@size: @baseFontSize, @weight: normal, @lineHeight: @baseLineHeight) {
- #font > #family > .monospace;
- #font > .shorthand(@size, @weight, @lineHeight);
- }
- }
- // FORMS
- // --------------------------------------------------
- // Block level inputs
- .input-block-level {
- display: block;
- width: 100%;
- min-height: 28px; /* Make inputs at least the height of their button counterpart */
- /* Makes inputs behave like true block-level elements */
- .box-sizing(border-box);
- }
- // Mixin for form field states
- .formFieldState(@textColor: #555, @borderColor: #ccc, @backgroundColor: #f5f5f5) {
- // Set the text color
- > label,
- .help-block,
- .help-inline {
- color: @textColor;
- }
- // Style inputs accordingly
- input,
- select,
- textarea {
- color: @textColor;
- border-color: @borderColor;
- &:focus {
- border-color: darken(@borderColor, 10%);
- .box-shadow(0 0 6px lighten(@borderColor, 20%));
- }
- }
- // Give a small background color for input-prepend/-append
- .input-prepend .add-on,
- .input-append .add-on {
- color: @textColor;
- background-color: @backgroundColor;
- border-color: @textColor;
- }
- }
- // CSS3 PROPERTIES
- // --------------------------------------------------
- // Border Radius
- .border-radius(@radius: 5px) {
- -webkit-border-radius: @radius;
- -moz-border-radius: @radius;
- border-radius: @radius;
- }
- // Drop shadows
- .box-shadow(@shadow: 0 1px 3px rgba(0,0,0,.25)) {
- -webkit-box-shadow: @shadow;
- -moz-box-shadow: @shadow;
- box-shadow: @shadow;
- }
- // Transitions
- .transition(@transition) {
- -webkit-transition: @transition;
- -moz-transition: @transition;
- -ms-transition: @transition;
- -o-transition: @transition;
- transition: @transition;
- }
- // Transformations
- .rotate(@degrees) {
- -webkit-transform: rotate(@degrees);
- -moz-transform: rotate(@degrees);
- -ms-transform: rotate(@degrees);
- -o-transform: rotate(@degrees);
- transform: rotate(@degrees);
- }
- .scale(@ratio) {
- -webkit-transform: scale(@ratio);
- -moz-transform: scale(@ratio);
- -ms-transform: scale(@ratio);
- -o-transform: scale(@ratio);
- transform: scale(@ratio);
- }
- .translate(@x: 0, @y: 0) {
- -webkit-transform: translate(@x, @y);
- -moz-transform: translate(@x, @y);
- -ms-transform: translate(@x, @y);
- -o-transform: translate(@x, @y);
- transform: translate(@x, @y);
- }
- .skew(@x: 0, @y: 0) {
- -webkit-transform: skew(@x, @y);
- -moz-transform: skew(@x, @y);
- -ms-transform: skew(@x, @y);
- -o-transform: skew(@x, @y);
- transform: skew(@x, @y);
- }
- .translate3d(@x: 0, @y: 0, @z: 0) {
- -webkit-transform: translate(@x, @y, @z);
- -moz-transform: translate(@x, @y, @z);
- -ms-transform: translate(@x, @y, @z);
- -o-transform: translate(@x, @y, @z);
- transform: translate(@x, @y, @z);
- }
- // Background clipping
- // Heads up: FF 3.6 and under need "padding" instead of "padding-box"
- .background-clip(@clip) {
- -webkit-background-clip: @clip;
- -moz-background-clip: @clip;
- background-clip: @clip;
- }
- // Background sizing
- .background-size(@size){
- -webkit-background-size: @size;
- -moz-background-size: @size;
- -o-background-size: @size;
- background-size: @size;
- }
- // Box sizing
- .box-sizing(@boxmodel) {
- -webkit-box-sizing: @boxmodel;
- -moz-box-sizing: @boxmodel;
- -ms-box-sizing: @boxmodel;
- box-sizing: @boxmodel;
- }
- // User select
- // For selecting text on the page
- .user-select(@select) {
- -webkit-user-select: @select;
- -moz-user-select: @select;
- -o-user-select: @select;
- user-select: @select;
- }
- // Resize anything
- .resizable(@direction: both) {
- resize: @direction; // Options: horizontal, vertical, both
- overflow: auto; // Safari fix
- }
- // CSS3 Content Columns
- .content-columns(@columnCount, @columnGap: @gridColumnGutter) {
- -webkit-column-count: @columnCount;
- -moz-column-count: @columnCount;
- column-count: @columnCount;
- -webkit-column-gap: @columnGap;
- -moz-column-gap: @columnGap;
- column-gap: @columnGap;
- }
- // Opacity
- .opacity(@opacity: 100) {
- opacity: @opacity / 100;
- filter: ~"alpha(opacity=@{opacity})";
- }
- // BACKGROUNDS
- // --------------------------------------------------
- // Add an alphatransparency value to any background or border color (via Elyse Holladay)
- #translucent {
- .background(@color: @white, @alpha: 1) {
- background-color: hsla(hue(@color), saturation(@color), lightness(@color), @alpha);
- }
- .border(@color: @white, @alpha: 1) {
- border-color: hsla(hue(@color), saturation(@color), lightness(@color), @alpha);
- .background-clip(padding-box);
- }
- }
- // Gradient Bar Colors for buttons and alerts
- .gradientBar(@primaryColor, @secondaryColor) {
- #gradient > .vertical(@primaryColor, @secondaryColor);
- border-color: @secondaryColor @secondaryColor darken(@secondaryColor, 15%);
- border-color: rgba(0,0,0,.1) rgba(0,0,0,.1) fadein(rgba(0,0,0,.1), 15%);
- }
- // Gradients
- #gradient {
- .horizontal(@startColor: #555, @endColor: #333) {
- background-color: @endColor;
- background-image: -moz-linear-gradient(left, @startColor, @endColor); // FF 3.6+
- background-image: -ms-linear-gradient(left, @startColor, @endColor); // IE10
- background-image: -webkit-gradient(linear, 0 0, 100% 0, from(@startColor), to(@endColor)); // Safari 4+, Chrome 2+
- background-image: -webkit-linear-gradient(left, @startColor, @endColor); // Safari 5.1+, Chrome 10+
- background-image: -o-linear-gradient(left, @startColor, @endColor); // Opera 11.10
- background-image: linear-gradient(left, @startColor, @endColor); // Le standard
- background-repeat: repeat-x;
- filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=1)",@startColor,@endColor)); // IE9 and down
- }
- .vertical(@startColor: #555, @endColor: #333) {
- background-color: mix(@startColor, @endColor, 60%);
- background-image: -moz-linear-gradient(top, @startColor, @endColor); // FF 3.6+
- background-image: -ms-linear-gradient(top, @startColor, @endColor); // IE10
- background-image: -webkit-gradient(linear, 0 0, 0 100%, from(@startColor), to(@endColor)); // Safari 4+, Chrome 2+
- background-image: -webkit-linear-gradient(top, @startColor, @endColor); // Safari 5.1+, Chrome 10+
- background-image: -o-linear-gradient(top, @startColor, @endColor); // Opera 11.10
- background-image: linear-gradient(top, @startColor, @endColor); // The standard
- background-repeat: repeat-x;
- filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",@startColor,@endColor)); // IE9 and down
- }
- .directional(@startColor: #555, @endColor: #333, @deg: 45deg) {
- background-color: @endColor;
- background-repeat: repeat-x;
- background-image: -moz-linear-gradient(@deg, @startColor, @endColor); // FF 3.6+
- background-image: -ms-linear-gradient(@deg, @startColor, @endColor); // IE10
- background-image: -webkit-linear-gradient(@deg, @startColor, @endColor); // Safari 5.1+, Chrome 10+
- background-image: -o-linear-gradient(@deg, @startColor, @endColor); // Opera 11.10
- background-image: linear-gradient(@deg, @startColor, @endColor); // The standard
- }
- .vertical-three-colors(@startColor: #00b3ee, @midColor: #7a43b6, @colorStop: 50%, @endColor: #c3325f) {
- background-color: mix(@midColor, @endColor, 80%);
- background-image: -webkit-gradient(linear, 0 0, 0 100%, from(@startColor), color-stop(@colorStop, @midColor), to(@endColor));
- background-image: -webkit-linear-gradient(@startColor, @midColor @colorStop, @endColor);
- background-image: -moz-linear-gradient(top, @startColor, @midColor @colorStop, @endColor);
- background-image: -ms-linear-gradient(@startColor, @midColor @colorStop, @endColor);
- background-image: -o-linear-gradient(@startColor, @midColor @colorStop, @endColor);
- background-image: linear-gradient(@startColor, @midColor @colorStop, @endColor);
- background-repeat: no-repeat;
- filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",@startColor,@endColor)); // IE9 and down, gets no color-stop at all for proper fallback
- }
- .radial(@innerColor: #555, @outerColor: #333) {
- background-color: @outerColor;
- background-image: -webkit-gradient(radial, center center, 0, center center, 460, from(@innerColor), to(@outerColor));
- background-image: -webkit-radial-gradient(circle, @innerColor, @outerColor);
- background-image: -moz-radial-gradient(circle, @innerColor, @outerColor);
- background-image: -ms-radial-gradient(circle, @innerColor, @outerColor);
- background-image: -o-radial-gradient(circle, @innerColor, @outerColor);
- background-repeat: no-repeat;
- }
- .striped(@color, @angle: -45deg) {
- background-color: @color;
- background-image: -webkit-gradient(linear, 0 100%, 100% 0, color-stop(.25, rgba(255,255,255,.15)), color-stop(.25, transparent), color-stop(.5, transparent), color-stop(.5, rgba(255,255,255,.15)), color-stop(.75, rgba(255,255,255,.15)), color-stop(.75, transparent), to(transparent));
- background-image: -webkit-linear-gradient(@angle, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent);
- background-image: -moz-linear-gradient(@angle, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent);
- background-image: -ms-linear-gradient(@angle, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent);
- background-image: -o-linear-gradient(@angle, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent);
- background-image: linear-gradient(@angle, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent);
- }
- }
- // Reset filters for IE
- .reset-filter() {
- filter: progid:DXImageTransform.Microsoft.gradient(enabled = false);
- }
- // COMPONENT MIXINS
- // --------------------------------------------------
- // Horizontal dividers
- // -------------------------
- // Dividers (basically an hr) within dropdowns and nav lists
- .nav-divider() {
- height: 1px;
- margin: ((@baseLineHeight / 2) - 1) 1px; // 8px 1px
- overflow: hidden;
- background-color: #e5e5e5;
- border-bottom: 1px solid @white;
- // IE7 needs a set width since we gave a height. Restricting just
- // to IE7 to keep the 1px left/right space in other browsers.
- // It is unclear where IE is getting the extra space that we need
- // to negative-margin away, but so it goes.
- *width: 100%;
- *margin: -5px 0 5px;
- }
- // Button backgrounds
- // ------------------
- .buttonBackground(@startColor, @endColor) {
- // gradientBar will set the background to a pleasing blend of these, to support IE<=9
- .gradientBar(@startColor, @endColor);
- .reset-filter();
- // in these cases the gradient won't cover the background, so we override
- &:hover, &:active, &.active, &.disabled, &[disabled] {
- background-color: @endColor;
- }
- // IE 7 + 8 can't handle box-shadow to show active, so we darken a bit ourselves
- &:active,
- &.active {
- background-color: darken(@endColor, 10%) e("\9");
- }
- }
- // Navbar vertical align
- // -------------------------
- // Vertically center elements in the navbar.
- // Example: an element has a height of 30px, so write out `.navbarVerticalAlign(30px);` to calculate the appropriate top margin.
- .navbarVerticalAlign(@elementHeight) {
- margin-top: (@navbarHeight - @elementHeight) / 2;
- }
- // Popover arrows
- // -------------------------
- // For tipsies and popovers
- #popoverArrow {
- .top(@arrowWidth: 5px, @color: @black) {
- bottom: 0;
- left: 50%;
- margin-left: -@arrowWidth;
- border-left: @arrowWidth solid transparent;
- border-right: @arrowWidth solid transparent;
- border-top: @arrowWidth solid @color;
- }
- .left(@arrowWidth: 5px, @color: @black) {
- top: 50%;
- right: 0;
- margin-top: -@arrowWidth;
- border-top: @arrowWidth solid transparent;
- border-bottom: @arrowWidth solid transparent;
- border-left: @arrowWidth solid @color;
- }
- .bottom(@arrowWidth: 5px, @color: @black) {
- top: 0;
- left: 50%;
- margin-left: -@arrowWidth;
- border-left: @arrowWidth solid transparent;
- border-right: @arrowWidth solid transparent;
- border-bottom: @arrowWidth solid @color;
- }
- .right(@arrowWidth: 5px, @color: @black) {
- top: 50%;
- left: 0;
- margin-top: -@arrowWidth;
- border-top: @arrowWidth solid transparent;
- border-bottom: @arrowWidth solid transparent;
- border-right: @arrowWidth solid @color;
- }
- }
- // Grid System
- // -----------
- // Centered container element
- .container-fixed() {
- margin-left: auto;
- margin-right: auto;
- .clearfix();
- }
- // Table columns
- .tableColumns(@columnSpan: 1) {
- float: none; // undo default grid column styles
- width: ((@gridColumnWidth) * @columnSpan) + (@gridGutterWidth * (@columnSpan - 1)) - 16; // 16 is total padding on left and right of table cells
- margin-left: 0; // undo default grid column styles
- }
- // Make a Grid
- // Use .makeRow and .makeColumn to assign semantic layouts grid system behavior
- .makeRow() {
- margin-left: @gridGutterWidth * -1;
- .clearfix();
- }
- .makeColumn(@columns: 1) {
- float: left;
- margin-left: @gridGutterWidth;
- width: (@gridColumnWidth * @columns) + (@gridGutterWidth * (@columns - 1));
- }
- // The Grid
- #grid {
- .core (@gridColumnWidth, @gridGutterWidth) {
- .spanX (@index) when (@index > 0) {
- (~".span@{index}") { .span(@index); }
- .spanX(@index - 1);
- }
- .spanX (0) {}
- .offsetX (@index) when (@index > 0) {
- (~".offset@{index}") { .offset(@index); }
- .offsetX(@index - 1);
- }
- .offsetX (0) {}
- .offset (@columns) {
- margin-left: (@gridColumnWidth * @columns) + (@gridGutterWidth * (@columns - 1)) + (@gridGutterWidth * 2);
- }
- .span (@columns) {
- width: (@gridColumnWidth * @columns) + (@gridGutterWidth * (@columns - 1));
- }
- .row {
- margin-left: @gridGutterWidth * -1;
- .clearfix();
- }
- [class*="span"] {
- float: left;
- margin-left: @gridGutterWidth;
- }
- // Set the container width, and override it for fixed navbars in media queries
- .container,
- .navbar-fixed-top .container,
- .navbar-fixed-bottom .container { .span(@gridColumns); }
- // generate .spanX and .offsetX
- .spanX (@gridColumns);
- .offsetX (@gridColumns);
- }
- .fluid (@fluidGridColumnWidth, @fluidGridGutterWidth) {
- .spanX (@index) when (@index > 0) {
- (~"> .span@{index}") { .span(@index); }
- .spanX(@index - 1);
- }
- .spanX (0) {}
- .span (@columns) {
- width: (@fluidGridColumnWidth * @columns) + (@fluidGridGutterWidth * (@columns - 1));
- }
- .row-fluid {
- width: 100%;
- .clearfix();
- > [class*="span"] {
- float: left;
- margin-left: @fluidGridGutterWidth;
- }
- > [class*="span"]:first-child {
- margin-left: 0;
- }
- // generate .spanX
- .spanX (@gridColumns);
- }
- }
- .input(@gridColumnWidth, @gridGutterWidth) {
- .spanX (@index) when (@index > 0) {
- (~"input.span@{index}, textarea.span@{index}, .uneditable-input.span@{index}") { .span(@index); }
- .spanX(@index - 1);
- }
- .spanX (0) {}
- .span(@columns) {
- width: ((@gridColumnWidth) * @columns) + (@gridGutterWidth * (@columns - 1)) - 10;
- }
- input,
- textarea,
- .uneditable-input {
- margin-left: 0; // override margin-left from core grid system
- }
- // generate .spanX
- .spanX (@gridColumns);
- }
- }
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