body { 
margin-left: auto; 
margin-right: auto;
height: 100%;
width: 100%;
background-color:#333333;
background-image:url('/fileadmin/template/images/hg.png');
background-repeat: no-repeat;
background-position:center center;
background-attachment:fixed;
}


#intro {
position:absolute;
width: 971px;
height: 610px;
display: block;
margin: -305px 0px 0px -480px;
left: 50%;
top: 50%;
z-index: 2;
border: 3px solid #feec00;
}