#body_header{background:url("img/bg_body_header_m.gif") no-repeat 50% 0;}
#body_contenu{background:url("img/bg_body_contenu_m.gif") repeat-y 50% 0;}
#body_footer{background:url("img/bg_body_footer_m.gif") no-repeat 50% 0;}
#container{width:919px;}
#header{}
#cote_gauche{width:17%;}
#milieu{width:66%;}
#cote_droite{width:17%;}
#footer{}