body {
margin: 0;
background-image: url(../commun/ifbody.gif); /* filet horizontal bleu qui dépasse de chaque côté */
background-repeat: repeat-x;
background-position: top;
background-color: #004d9f;
}

#centrage_page {      /* pour centrer toute la structure horizontalement */
position: relative;
width: 800px;
margin: 0 auto;
border-left: 1px solid #d2d2ea;
border-right: 1px solid #d2d2ea;
background-color: #FFFFFF;
}

#header {
height: 118px;
background: url(../commun/ifheader.jpg) left top no-repeat;
}


#global {
/* background-image: url(../commun/nav_g/globqsn.gif); /* filets verticaux + fond couleur derrière le menu gauche */
background-repeat: repeat-y;
background-position: left;
}
#global hr {	/* pour aligner en pied les blocs Global, Menu_gauche et Contenu */
clear: both;
visibility: hidden;
margin: 0;
}

#menu_gauche {
float: left;
width: 158px;
height: 100%;
}

#contenu {
	position: relative;
	margin-left: 158px;
	background-image: url(../commun/ifconten.gif);
background-repeat: no-repeat;
background-position: left top;
}

#footer {
height: 54px;
background-image: url(../commun/ifglobal.gif); /* filets verticaux derrière le menu gauche */
background-repeat: repeat-y;
background-position: left;
border-bottom: 1px solid #d2d2ea;
}

img { border: 0; }