.espace-reserve, #bandeau-superieur, .contenu-contextuel1, .contenu-contextuel2, .fil-ariane, #footer{
   display: none;
}
.logo{
   float: none;
}
#page, #conteneur, #page.page-n-3{
   background: #fff;
}
#conlonne-principal{
   width: 100%;
   float: none;
   background: url(../images/fd-pointilles-horizontal.gif) repeat-x 0 0 #fff;
   padding-top: 10px;
   margin-top: 20px;
   clear: both;
   display: block;
}