#page {
margin-left: -495px;
left: 50% ;
margin-top: -295px;
top: 50% ;
width: 990px ;
height: 590px ;
}
body {
color: #000000 ;
font-family: trebuchet, verdana, sans-serif;
font-size: 12px;
background-image: url(../../images/fonds/ArrierePlan36.jpg);
background-attachment: fixed;
background-repeat : no-repeat;
background-position:  top center;
		background-color: #eeeeee;

} 
#entete {
height: 130px;
} 
#pied {
height: 50px;
} 
#navigation {
height: 410px;
width: 150px;

} 
#section_principale  {
height: 410px;
width: 840px;
}