.haut
{
 height:8px;
 font-size:0px;
 line-height:0px;
 background-color:white;
}

.coin_haut_gauche
{
 width:8px;
 height:8px;
 display:block;
 float:left;
 background-image:url("coin_hg.gif");
 background-repeat:no-repeat;
}

.coin_haut_droit
{
 width:8px;
 height:8px;
 display:block;
 float:right;
 background-image:url("coin_hd.gif");
 background-repeat:no-repeat;
}

.bas
{
 height:8px;
 font-size:0px;
 line-height:0px;
 background-color:white;
}

.coin_bas_gauche
{
 width:8px;
 height:8px;
 display:block;
 float:left;
 background-image:url("coin_bg.gif");
 background-repeat:no-repeat;
}

.coin_bas_droit
{
 width:8px;
 height:8px;
 display:block;
 float:right;
 background-image:url("coin_bd.gif");
 background-repeat:no-repeat;
}