div#conteneur
{
	text-align: center;
}

div#contenu
{
	clear: both;
}

h1#header
{
	text-align: center;
	width: 850px;
	height: 215px;
	border: 4px double red;
	margin: auto;

}

ul#menu
{
	margin: auto;
	padding-left: 160px;
	width: 810px;
	height: 50px;
	list-style-type: none;
}

ul#menu li
{
	float: left;
	padding: 8px;
}