html.light #demo, html.dark #demo { color: #333; } #demo { @include round-corners; @extend .group; background: #fff; margin-bottom: 1.2em; padding: 40px; code { @include box-shadow(rgba(#000, .3) 0 1px 3px, rgba(#000, .15) 0 1px 0 0 inset); background: #fff; color: inherit; } } #how { section { width: 49%; float: left; } section + section { float: right; } .example-source { clear: both; } #markup { margin-top: 12px; } }