.div_right { margin: 0px; padding: 0px; width: 780px; height: 100%; background: url(../images/bg_couleur.gif) repeat-y; float: right; clear: none; display: table; top: 0px; 
}
.contenu { width: 510px; margin: 0px; float: left; color: #9f9683; height: auto; padding-top: 10px; padding-right: 10px; padding-bottom: 10px; padding-left: 45px; 
}