#header {
width: 970px;
height: 280px;
background-image: url(../index/header_hommage.jpg);
background-position:center;
background-repeat: no-repeat;
 }
 
#menu ul li a.n-hommage {
padding: 0em;
background-color: #000000;
text-decoration: none;
float: left;
height: 42px;
width: 136px;
background-image: url(../index/btn_hommage.png);
background-position: bottom;
text-indent: -3000px;
}