body { position: absolute; top:50%; left:50%;
       margin: 0px; padding: 1px;
       width: 812px; height: 506px;
       margin-left: -406px;
       margin-top: -253px;
       background-color:#ffffff;
       font-family: Verdana,Helvetica,Arial;
       font-size: 12px;
       border: #999999 1px solid;  /* */  }