body { 
 margin: 0; 
 padding: 0; 
 text-align: center; 
 min-width: 720px 
 } 

 #centered { 
 position: relative; 
 top: 0; 
 right: 0; 
 margin: 0 auto; 
 width: 720px; 
 text-align: left; 
 } 

 #Layer1 { 
 position: absolute; 
 left: 11; 
 top: 1px; 
 width: 160px; 
 } 

 #Layer2 { 
 position: absolute; 
 left: 185; 
 top: 1px; 
 width: 720px; 
 }