body {
 background: #C0A062 url('design/pos.jpg') top center no-repeat;
 text-align: center;
}

#topo {
 text-align: left;
 margin: 0px;
 padding: 0px;
 width: 806px;
 margin: auto;
 height: 335px; 
}

#conteudo {
 text-align: left;
 margin: 0px;
 padding: 0px;
 width: 806px;
 margin: auto;
 background: #FFFFFF;
}

#conteudo2 {
 padding: 10px;
}