body{background-color:#D2D2D2; margin:0; padding:0;}
div#corpo{width:870px; *width:870px;  height:100%; min-height:500px; padding:5px; text-align:left; background-color:#FFF; border-left:1px solid #666; border-right:1px solid #666; display:table; margin:0 auto; position:relative;  _position:absolute; _left:3%; border:0px solid red;}
div#corpo div#topo{background-color:#2283FE; height:30px; width:100%; float:left; color:#FFF; line-height:30px; text-align:left; padding-left:10px;}