share-button {
      position: absolute;
      top: 50%;
      left: 50%;
      z-index: 2;
      -webkit-transform: translate(-50%, -50%);
      -moz-transform: translate(-50%, -50%);
      transform: translate(-50%, -50%);
    }

    .fork img {
      opacity: .6;
      -webkit-transition: all .5s ease;
      transition: all .5s ease;
    }

    .fork img:hover {
      opacity: 1;
    }

    pre {
      display: block;
      margin: auto;
      position: absolute;
      top: 57%;
      left: 0;
      bottom: 0;
      right: 0;
      color: #839496;
      text-align: center;
      font-family: 'Source Code Pro';
      font-size: 13px;
      text-shadow: 1px 1px 1px #333;
    }

    pre span.class {
      color: #b58900;
    }

    pre span.string {
      color: #2aa198;
    }

    pre span.new {
      color: #859900;
    }