.centre {
	text-align: center;
	margin-right: auto;
	margin-left: auto;
}
#hdp {
	background-color: #CCCCCC;
	height: 190px;
	width: 900px;
	background-image: url(images/hdp.gif);
}
#bandegauche {
	background-color: #FFFFFF;
	float: left;
	height: 560px;
	width: 160px;
}
#start-forum {
	background-color: #CCCCFF;
	height: 450px;
	width: 450px;
	background-image: url(images/fond_startforum.gif);
	background-repeat: no-repeat;
}


#global {
	background-color: #FFFFFF;
	height: 720px;
	width: 900px;
	margin-right: auto;
	margin-left: auto;
	margin-top: 0px;
}
body {
	margin-top: 0px;
	background-color: #CCCCCC;
}
.gauche {
	text-align: left;
}
#bdp {
	background-color: #CCCCCC;
	height: 30px;
	width: 900px;
	float: left;
}