Demo css

mrhenry-javascript-demo-styles.css

html,
    body {
      padding: 0;
      margin: 0;
    }
    body {
      background-color: #eeeeee;
      font-family: sans-serif;
    }
    #wrapper {
      margin: 0 auto;
      padding: 20px;
      max-width: 600px;
      background-color: #ffffff;
    }
    .example-block {
      margin-bottom: 50px;
    }
    p {
      font-family: Monaco, "Lucida Console", monospace;
      line-height: 1.5em;
      margin: 2em 0;
    }
    a {
      color: #0000EE !important;
    }
    a:hover {
      text-decoration: none;
    }
    nav ul {
      margin: 0;
      padding: 0;
      list-style: none;
      font-family: Monaco, "Lucida Console", monospace;
      overflow: hidden;
    }
    nav li {
      float: left;
      width: 50%;
    }
    pre {
      border: 1px solid #cccccc;
      padding: 10px;
      background-color: #efefef;
    }
    footer {
      text-align: center;
      font-size: 11px;
    }