/* contenu gauche */
#left {float:left;width:275px;background-color:#fff !important}
#left div.box_content {background-color:#fff}

/* contenu central */
#middle {margin:40px 0 40px 0 !important}
#center {width:430px; margin:0 0 0 315px;}
#center .content {float:left;width:100%;}