* {
    -webkit-box-sizing: border-box; /* Safari/Chrome, other WebKit */
  -moz-box-sizing: border-box;    /* Firefox, other Gecko */
  box-sizing: border-box;
  }
  #exercise p {
    margin: 20px 0px;
  }

  #exercise img {
    max-height: 500px;
    padding: 10px 50px 20px 0px;
    box-shadow: 1px 1px 7px rgba(0,0,0,.1);
    padding:10px;
    max-width: 100%
  }

  #exercise {
    width: 70%;
    margin: auto;
  }

    #exercise h3 {
font-size: 12px;
color: #BABABA;
margin: 50px 0px 20px;
background: #F7F7F7;
padding: 10px 15px;

  }

  #exercise h3.first-step {
    margin-top: 10px
  }

#exercise h3 span {
color: #000;
margin: 0px 5px;

  }

  #container {
    line-height: 1.6;
    text-align: left;
    line-height: 1.5;
    margin:20px auto 120px;
    padding:0;
    font-family: "HelveticaNeue-Light","Helvetica Neue Light","Helvetica Neue", Helvetica, sans-serif;
  }



  #container p code {
    margin: 0 2px;
    padding: 0px 5px;
    border: 1px solid #ebebeb;
    background-color: #f7f7f7;
    border-radius: 2px;
    font-family: "Menlo", Courier, monospace;
    font-size: 15px;
    color: #666;
  }

  .lecture span {
    float: left;
    margin-right: 10px;
    display: block;
  }


  .lecture {
    clear: both;
    display: inline-block;
    margin: 30px 0px 10px;
  }

 .section > ol, .section > ul {
    float: left;
  }

#container pre code {
  font-family: Monaco, Courier, monospace;
  font-size: 12px;
}

  #container pre {
    line-height: 16px;
    padding: 0.5em 1em;
    overflow: auto;
    border-left: 1px solid #cecece;
    margin-left: 0;
    background: #f7f7f7;
}



  #content a:hover, #exercise a:hover {
    text-decoration: underline;
  }

  a {
    color: #4A93B4;
    text-decoration: none;
  }

  .nav a:hover {
      color: #444;
  }

  p {
    color: #444;
    margin:0px;
    font-size: 15px;
    clear: both;
  }

  h1 {
    font-family: 'Jacques Francois', serif;
    font-size: 60px;
    color: #4A93B4;
    margin: 35px 0px 5px 0px;
  }


  h2 {
font-family: 'Jacques Francois', serif;
font-size: 36px;
color: #444;
clear: both;
margin-bottom: 5px;
  }

  h3 {
    font-size: 11px;
    float: left;
    text-transform: uppercase;
    letter-spacing: 1px;
    color:#444;
  }

h3 a {
  color:#f2dc99;

}



  h4 {
    text-transform: uppercase;
    font-size: 12px;
    color: #444;
    margin: 20px 0px 0px 0px;
    clear: both;
  }
  .section h3 {
    background: #4A93B4;
    padding: 5px 10px;
    font-weight: normal;
    color:#fff;
  }

  p.talkers {
    text-transform: uppercase;
    font-size: 11px;
  }

  .section div span {
    font-size: 11px;
    margin-left: 5px;
    color: #999;
  }
  .nav {
    float: left;
    font-size: 11px;
    letter-spacing: 1px;
    text-transform: uppercase;
    width: 130px;
    text-align: right;
    padding: 60px 10px;
    line-height: 2em;
    position: fixed;
  }

  #content > div {
    width: 650px;
    padding:1px 0px;
    clear: both;
    margin-bottom: 50px;
    display: inline-block;
  }

  #content > div img, #content > div .gist {
    max-width: 100%;
    box-shadow: 1px 1px 10px #cecece;
  }

  #content > div a img:hover {
    box-shadow: 1px 1px 10px #666;
  }

  #content > div > span, #content .reading {
    float: left;
    margin: 0px 0px 20px;
  }


  #content .gist span, #content .gist div {
    font-size: 11px;
    line-height: 1em
  }

  #content {
    float:right;
    margin-bottom: 50px;
    width: 800px
  }

  .nav li {
    list-style-type: none;
    font-size: 11px
  }

  .nav ul {
    margin: 0px;
    padding-left: 0px
  }

  .active {
    font-weight: bold
  }

  #content > div > span.small {
    float: left;
    width: 43%;
    margin: 20px 30px 20px 0px;
    font-size: 13px;
    color:#444;
    line-height: 1.6em
  }


  #content > div > span.small.tiny {
  margin-top:10px;
  font-size:11px;
  font-weight: normal;
  }



   #content > div > span.small.big {
    width: 89%;
  }

  li {
    font-size: 15px;
  }


  @media (max-width:480px) {

    body {
      margin-top:0px;
    }


    #container {
      width: 100%;
    }

    #content {
      margin: 0px auto;
    width: 300px;
    float: none;
    }


    .nav {
      width: 300px;
      padding: 20px;
      background: white;
      top: 0px;
      margin: 0px auto;
      position: relative;
      float: none;
    }

    .nav li {
      float: left;
      margin-right: 20px;
    }
    .nav li:last-child {
      margin-right: 0px;
    }

    #content > div {
      width: 100%
    }
    h1 {
      font-size: 48px
    }

    .nav li a span {
  display: none
    }


  }