body,div,
h1,h2,
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%;
}

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

@media screen and (max-width: 48em) {
  .js #nav {
    clip: rect(0 0 0 0);
    max-height: 0;
    position: absolute;
    display: block;
    overflow: hidden;
  }
  #nav {
    top: 0;
    width: 100%;
    position: relative;
  }
  #nav.opened { max-height: 9999px }
  #nav a:hover { background: transparent }
  #nav .active a:hover { color: #fff; background: rgba(0,0,0, .3) }
  #toggle {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    display: block;
    width: 70px;
    height: 55px;
    float: right;
    margin: 0 -2em 1em 0;
    text-indent: -9999px;
    overflow: hidden;
    background: #ccc url("../images/hamburger.gif") no-repeat 50% 33%;
    position: absolute;
    right: 30px;
    top: 10px;
}

  
}

@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_%402X.html");
    -webkit-background-size: 200px 200px;
    -moz-background-size: 200px 200px;
    -o-background-size: 200px 200px;
    background-size: 200px 200px;
  }
  #toggle {
    background-image: url("../images/hamburger-retina.gif");
    -webkit-background-size: 100px 100px;
    -moz-background-size: 100px 100px;
    -o-background-size: 100px 100px;
    background-size: 100px 100px;
  }
}