div.EtudeDeCas7 { cursor:hand; float:left; width:252px; height:152px; background: url(/images/circuit-accueil.jpg) no-repeat;}
div.EtudeDeCas1 { cursor:hand; float:left; width:252px; height:152px; background: url(/images/pic_environnement.jpg) no-repeat;}
div.EtudeDeCas6 { cursor:hand; float:left; width:252px; height:152px; background: url(/images/caliper-accueil.jpg) no-repeat;}
div.EtudeDeCas2 { cursor:hand; float:left; width:252px; height:152px; background: url(/images/pic_manufacturier.jpg) no-repeat;}
div.EtudeDeCas3 { cursor:hand; float:left; width:252px; height:152px; background: url(/images/pic_recreo.jpg) no-repeat;}
div.EtudeDeCas5 { cursor:hand; float:left; width:252px; height:152px; background: url(/images/pic_energie.jpg) no-repeat;}
div.environnement { cursor:hand; float:left; width:252px; height:152px; background: url(/images/pic_environnement.jpg) no-repeat;}
div.recreo        { cursor:hand; float:left; width:252px; height:152px; background: url(/images/pic_recreo.jpg) no-repeat;}
div.manufacturier { cursor:hand; float:left; width:252px; height:152px; background: url(/images/pic_manufacturier.jpg) no-repeat;}
div.energie       { cursor:hand; float:left; width:252px; height:152px; background: url(/images/pic_energie.jpg) no-repeat;}
div.vide_haut     { cursor:hand; float:left; width:252px; height:152px; background: url(/images/pic_vide.jpg) no-repeat;}
div.vide_bas  { cursor:hand; float:left; width:252px; height:152px; background: url(/images/pic_vide.jpg) no-repeat;}
div.vide_bas2 { cursor:hand; float:left; margin-top:25px; width:252px; height:152px; background: url(/images/pic_vide.jpg) no-repeat;}