body {
	overflow-x:hidden;
	margin:0;
	padding:0;
	background:linear-gradient(-90deg, grey, white 50%);
	-webkit-background-size:cover;
	background-size: cover;		
}

#banner1 {
	display:block;
	background:linear-gradient(-90deg, grey, white 50%);
	height:160px;
	width:100%;
	text-align:center;
	}

#banner1 p {
	position:relative;
	font-weight:bold;
	font-size:30px;
	top:7px;
	margin:0;
	text-align:center;	
}

#banner2 {
	display:block;
	background-color:red;
	height:5px;
	width:100%;	
}

#menu {
	min-width:750px;
	width:100%;
	height:50px;
	position:relative;
	background:linear-gradient(-90deg, grey, white 50%);
	font-weight:bold;	
}

#menu ul {
	float:left;
	left:50%;
	position:relative;
	padding-top:15px;
	margin-left:-60px;
}

#menu ul li {
	margin-left:20px;
	bottom:25px;
	float:left;
	list-style-type:none;
	position:relative;
	left:-50%;
}

#menu ul li a {
	text-align:center;
	padding-top:10px;
	display:inline-block;
	background-color:none;
	height:20px;
	width:100%;
	color:red;
}

#menu ul li a:hover {
	color:red;
	background-color:none;
	text-decoration:none;
	border-bottom:3px inset red;
}

#banner3 {
	display:block;
	background-color:red;
	height:5px;
	width:100%;
}

#contenuprincipal {
	display:block;
	width:775px;
	margin:auto;
	
	}
		
.flotte {
	float:left;
	position:absolute;
	display:block;	
}

.float {
	float:right;
}

.float2 {
	float:right;
	padding-right:250px;
}

.float3 {
	float:right;
}

#footer {
	text-align:center;
	display:block;
	background-color:red;
	height:50px;
	width:100%;
	position:absolute;	
}

#footer p {
	color:white;
	font-weight:bold;
	position:relative;
}