body { 
margin: 0px;
text-align: center;
}

#container{  
margin: 0 auto;
width: 770px;
text-align: left;
} 

#header{ 
position: absolute;  
top: 0px;
width: 770px;
align: center;
}

#main{
width: 770px;
align: center;
}