body { background-color: rgb(150, 170, 192);
text-align: center;
  font-family: Arial,Helvetica,sans-serif;
    font-size: 12px;
    }

  #contain { width: 1001px;
    height: 585px;
    margin-top: 10px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    }

  #header { background-image: url(http://www.kythibong.org/pics/bandeau.jpg);
    background-repeat: no-repeat;
    background-position: center top;
    height: 80px;
    position: relative;
    }

 #menu { height: 25px;
position: relative;
z-index: 2;
 }