body {
	background-color: #666666;
}

body,html { height:100%;margin:0 } 
#box {
position:absolute;
top:50%;
left:50%;
width:780px;
height:470px;
margin-left:-390px;
margin-top: -235px;
font-weight:normal;
padding:0;
} 


               



.box {
position:absolute;
top:50%;
left:50%;
width:780px;
height:470px;
margin-left:-390px;
margin-top:-235px;
font-weight:normal;
padding:0;
}