codice:
<html>
  <head>
    <style type="text/css">
    <!--

      table.container, td.container 
      {
        text-align: center;
        vertical-align: middle;
        height: 100%;
        width: 100%;
      }

      table.tua {
        width: 530px; 
        border: 1pt solid #141414; 
        margin: 1px; 
        background-color: #000000 
      } 

    //-->
    </style>

  </head>
  <body>

    <table class="container">
      <tr>
        <td class="container">

          <table class="tua">
            <tr>
              <td>

              </td>
            </tr>
          </table>

        </td>
      </tr>
    </table>

  </body>
</html>