.menu_haut{
	background-color: #8c8c8c;
    border: solid;
    border-width: 1px;
    height: 10%;
    position: relative;
    width: 78%;
    left: 20%;
	margin:10;
	margin-left:15;
	text-align:center;
	vertical-align:middle;
}

.menu_gauche{
	background-color: pink;
    border: solid;
    border-width: 1px;
    height: 99%;
    position: relative;
    width: 20%;
    left: 0%;
	margin:10;
}

.main_page{
	background-color:grey;
	border: solid;
    border-width: 1px;
	height:85%;
	width: 78%;
	position: relative;
	margin:10;
	margin-left:15;
	margin-top:25;
	top:10%;
	left:20%;
	
}