html,body {
	
width: 80%;
margin: auto;
margin-top: 20px;
margin-bottom: 20px;    
background-color : white; 


}



#plop {
	
	border-width: 2px;
	border-style: dotted;
}

img.haut_centre {
	background-repeat: repeat-y;
	width: 80%;
	height: 45px;
}

img.barre {
	background-image: url(barre_verticale.png);
	height : auto;
	background-repeat: repeat-x;
	position: relative;
	/*width: 30%;
	height: 50%;*/
}