body
{
margin: 10px 0 0 0;
padding: 0;
width:100%;
} 

#center
{
z-index: 1; 
width: 970px;
margin: auto;
}

#navigation { 
  z-index: 2; 
  position: absolute; 
  width:500px; 
  height:250px; 
  top:50px; 
  left:50px; 
} 
a {
	text-decoration: none
}