pre {
    font-size: 12px;
    line-height: 20px;
    width: 620px;
    overflow: auto;
    overflow-y: hidden;
    background: url(../images/code_bg.jpg);
    margin: 10px 0 20px 0;
  }
  
  
pre code { display: block; margin-left: 20px; }
  
  
ol { list-style: decimal; margin-left: 25px; }
  
  
textarea { width: 620px; line-height: 20px; margin: 10px 0 20px 0; font-size: 12px; display: none; }