html, body, #wrapper {
      height: 100%;
      margin: 0;
      padding: 0;
      border: none;
      text-align: center;
      color: #000;
      background-color: #e8e8e8;
      font-family: georgia,tahoma, verdana, sans-serif;
      margin: 0;
      padding: 0;
   }
   #wrapper {
      margin: 0 auto;
      text-align: left;
      vertical-align: middle;
      width: 750px;
   }
pre {
    margin: 10px;
    text-align: left;
    font-family: courier;
    font-size: 60%;
}