Hakim El Hattab a3d4afeeed better transition names, fix background images in vertical slides 11 年之前
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print f0f48bd9b0 use flexbox for vertically centered printing #862 11 年之前
theme 1aadc53eac don't reduce line height for all headings in base theme (#753) 11 年之前
reveal.css a3d4afeeed better transition names, fix background images in vertical slides 11 年之前