html, body {
width:100%;
height:100%;
padding: 0px;
margin: 0px;
background: black;
}

#table {
width: 100%;
height: 100%;
position: static;
display: table;
*overflow: hidden; /* hack para o IE6 e IE7 */
*position: relative; /* hack para o IE6 e IE7 */
}

#cell {
vertical-align: middle;
display: table-cell;
position: static;
*top: 50%; /* hack para o IE6 e IE7 */
*position: absolute; /* hack para o IE6 e IE7 */
}

#conteudo {
top: -50%;
width: 739px;
margin: auto;
position: relative;

}