.detail_item_ajax
{
  border:1px solid #d4d4d4;
  margin-top:20px;
  width:540px;
  position:relative;
}
.coordonnee_ajax {
	background-image:url(img/details/fond-coord.jpg);
	width:250px;
	height:250px;
	float:left;
}
.bloc_img_pres {
	float:left;
	border:0px solid black;
	margin-top:10px;
}