CodeMirror

@media screen and (device-aspect-ratio: 16/9) { … }

@media screen and (device-aspect-ratio: 1280/720) { … }

@media screen and (device-aspect-ratio: 2560/1440) { … }

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html:lang(fr-be)

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tr:nth-child(2n+1) /* represents every odd row of an HTML table */

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img:nth-of-type(2n+1) { float: right; }

img:nth-of-type(2n) { float: left; }

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body > h2:not(:first-of-type):not(:last-of-type)

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html|*:not(:link):not(:visited)

*|*:not(:hover)

p::first-line { text-transform: uppercase }

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@namespace foo url(http://www.example.com);

foo|h1 { color: blue }  /* first rule */

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span[hello="Ocean"][goodbye="Land"]

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E[foo]{

  padding:65px;

}

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input[type="search"]::-webkit-search-decoration,

input[type="search"]::-webkit-search-cancel-button {

  -webkit-appearance: none; // Inner-padding issues in Chrome OSX, Safari 5

}

button::-moz-focus-inner,

input::-moz-focus-inner { // Inner padding and border oddities in FF3/4

  padding: 0;

  border: 0;

}

.btn {

  // reset here as of 2.0.3 due to Recess property order

  border-color: #ccc;

  border-color: rgba(0,0,0,.1) rgba(0,0,0,.1) rgba(0,0,0,.25);

}

fieldset span button, fieldset span input[type="file"] {

  font-size:12px;

    font-family:Arial, Helvetica, sans-serif;

}

​

.rounded-corners (@radius: 5px) {

  border-radius: @radius;

  -webkit-border-radius: @radius;

  -moz-border-radius: @radius;

}

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@import url("something.css");

​

@light-blue:   hsl(190, 50%, 65%);

​

#menu {

  position: absolute;

  width: 100%;

  z-index: 3;

  clear: both;

  display: block;

  background-color: @blue;

  height: 42px;

  border-top: 2px solid lighten(@alpha-blue, 20%);

  border-bottom: 2px solid darken(@alpha-blue, 25%);

  .box-shadow(0, 1px, 8px, 0.6);

  -moz-box-shadow: 0 0 0 #000; // Because firefox sucks.

​

  &.docked {

    background-color: hsla(210, 60%, 40%, 0.4);

  }

  &:hover {

    background-color: @blue;

  }

​

  #dropdown {

    margin: 0 0 0 117px;

    padding: 0;

    padding-top: 5px;

    display: none;

    width: 190px;

    border-top: 2px solid @medium;

    color: @highlight;

    border: 2px solid darken(@medium, 25%);

    border-left-color: darken(@medium, 15%);

    border-right-color: darken(@medium, 15%);

    border-top-width: 0;

    background-color: darken(@medium, 10%);

    ul {

      padding: 0px;  

    }

    li {

      font-size: 14px;

      display: block;

      text-align: left;

      padding: 0;

      border: 0;

      a {

        display: block;

        padding: 0px 15px;  

        text-decoration: none;

        color: white;  

        &:hover {

          background-color: darken(@medium, 15%);

          text-decoration: none;

        }

      }

    }

    .border-radius(5px, bottom);

    .box-shadow(0, 6px, 8px, 0.5);

  }

}

​