div#gauche {
						float:left;
						width:25%;
						height:450px;
						
						}
div#body {
						margin-left:30%;
						width:480px;
						height:450px;

						}
div#droite {
						float:right;
						width:25%;
						height:450px;

						}				
h3
{
  font-family:Verdana;
  font-size:15px;
  font-weight:bold;
}