demos/advanced-left-navigation/styles.css
@font-face {
  font-family: "responsivenav";
  src:url("../icons/responsivenav.eot");
  src:url("../icons/responsivenav.eot?#iefix") format("embedded-opentype"),
    url("../icons/responsivenav.ttf") format("truetype"),
    url("../icons/responsivenav.woff") format("woff"),
    url("../icons/responsivenav.svg#responsivenav") format("svg");
  font-weight: normal;
  font-style: normal;
}

body,div,
h1,h2,p,
ol,ul,li {
  margin: 0;
  padding: 0;
  border: 0;
}

@-webkit-viewport { width: device-width; }
@-moz-viewport { width: device-width; }
@-ms-viewport { width: device-width; }
@-o-viewport { width: device-width; }
@viewport { width: device-width; }

html, body {
  min-height: 100%;
}

body {
  min-width: 290px;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  text-size-adjust: 100%;
  background: #444 url("debut_dark.png") repeat;
  color: #666;
  font: normal 100%/1.5 "Helvetica Neue", Helvetica, Arial, sans-serif;
}

h1 {
  font-size: 3em;
  line-height: 1;
  color: #222;
  margin-bottom: .5em;
  float: left;
  width: 100%;
}

h2 {
  float: left;
  width: 100%;
  font-size: 1.5em;
  color: #222;
  margin: 1em 0 .5em;
}

p {
  float: left;
  width: 100%;
  margin-bottom: 1em;
}

p.intro {
  font-size: 1.25em;
  color: #555;
  font-weight: bold;
}

a {
  color: #f4f4f4;
  text-decoration: none;
}

a:active,
a:hover {
  outline: 0;
}

.main {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  -webkit-overflow-scrolling: touch;
  padding: 3em 4em;
  position: fixed;
  overflow: hidden;
  overflow-y: scroll;
  border-top-left-radius: 5px;
  box-shadow: 0 0 15px rgba(0,0,0, .6);
  top: .8em;
  right: 0;
  bottom: 0;
  width: 76%;
  background: #fff;
}

.main::-webkit-scrollbar {
  -webkit-appearance: none;
  background-color: rgba(0,0,0, .15);
  width: 8px;
  height: 8px;
}

.main::-webkit-scrollbar-thumb {
  border-radius: 0;
  background-color: rgba(0,0,0, .4);
}

.nav-collapse {
  position: absolute;
  width: 24%;
  top: 2em;
  left: 0;
}

.nav-collapse ul {
  display: block;
  width: 100%;
  list-style: none;
}

.nav-collapse li {
  width: 100%;
  display: block;
}

.nav-collapse a {
  color: #aaa;
  font-weight: bold;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  -webkit-transition: background .3s ease;
  -moz-transition: background .3s ease;
  transition: background .3s ease;
  text-shadow: 0 -1px rgba(0,0,0, .5);
  border-bottom: 1px solid rgba(0,0,0, .2);
  border-top: 1px solid rgba(255,255,255, .1);
  display: block;
  padding: .6em 2em;
  width: 100%;
}

.nav-collapse a:hover { background: rgba(255,255,255, .1) }
.nav-collapse .active a { color: #fff; background: rgba(0,0,0, .3) }
.nav-collapse li:first-child a { border-top: 0 }
.nav-collapse li:last-child a { border-bottom: 0 }
.nav-toggle { display: none }

@media screen and (max-width: 40em) {
  .js .nav-collapse {
    clip: rect(0 0 0 0);
    max-height: 0;
    position: absolute;
    display: block;
    overflow: hidden;
  }
  .nav-collapse {
    top: 0;
    width: 100%;
    position: relative;
  }
  .nav-collapse.opened { max-height: 9999px }
  .nav-collapse a:hover { background: transparent }
  .nav-collapse .active a:hover { color: #fff; background: rgba(0,0,0, .3) }
  .nav-toggle {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    text-decoration: none;
    text-indent: -999px;
    position: relative;
    overflow: hidden;
    width: 70px;
    height: 55px;
    float: right;
    display: block;
    margin: 0 -2em 1em 0;
  }
  .nav-toggle:before {
    color: #444; /* Edit this to change the icon color */
    font-family: "responsivenav";
    font-style: normal;
    font-weight: normal;
    font-variant: normal;
    font-size: 28px;
    text-transform: none;
    position: absolute;
    content: "\2261";
    text-indent: 0;
    text-align: center;
    line-height: 65px;
    speak: none;
    width: 100%;
    top: 0;
    left: 0;
  }
  .nav-toggle.active:before {
    font-size: 24px;
    content: "\78";
  }
  .main {
    -webkit-overflow-scrolling: auto;
    box-shadow: none;
    padding: 0 2em 2em;
    border-radius: 0;
    position: relative;
    width: 100%;
    overflow: hidden;
  }
  .main::-webkit-scrollbar { background-color: transparent }
}

@media screen and (-webkit-min-device-pixel-ratio: 1.3), screen and (min--moz-device-pixel-ratio: 1.3), screen and (-o-min-device-pixel-ratio: 2 / 1), screen and (min-device-pixel-ratio: 1.3), screen and (min-resolution: 192dpi), screen and (min-resolution: 2dppx) {
  body {
    background-image: url("debut_dark_@2X.png");
    -webkit-background-size: 200px 200px;
    -moz-background-size: 200px 200px;
    -o-background-size: 200px 200px;
    background-size: 200px 200px;
  }
}

@media screen and (min-width: 76em) {
  .nav-collapse { width: 18em }
  .main { width: auto; left: 18em }
}
