anchor.diff:      ul.frames li {
           background-color: #f8f8f8;
           background: -webkit-linear-gradient(top, #f8f8f8, #f0f0f0);
  +        background: -moz-linear-gradient(top, #f8f8f8, #f0f0f0);
  +        background: linear-gradient(top, #f8f8f8, #f0f0f0);
           border-bottom: solid 1px #e2e2e2;
           padding: 7px 20px;
   
  
positive.code:     }
  
      .sub table td {
          border-top: solid 1px #ddd;
          padding: 7px 1px;
          width: 90%;
      }
  
negative.code:         padding: 18px 20px;
  
          background-color: #222;
          color: #aaa;
          text-shadow: 0 1px 0 rgba(0, 0, 0, 0.3);
          font-weight: 200;
          box-shadow: inset 0 -5px 3px -3px rgba(0, 0, 0, 0.05), inset 0 -1px 0 rgba(0, 0, 0, 0.05);
  
          -webkit-text-smoothing: antialiased;
      }
  
      /* Heading */
  