html, body {
	height: 100%;
	margin: 0; padding: 0;
            background-image: url('../images/fond-ecran.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            background-attachment: fixed;
}
body {
	display : table;
	width: 100%;
}
footer {
	display : table-row;
	height: 100px; /* à titre d'exemple */
	text-align: center;
}
.flag {
width: 150px;
height: 30;
}
.flag img {
width: 44px;
height: 28px;
}
.flag img:hover {
width: 47px;
height: 30px;
}
#f-gauche {
float: right;
width: 47px;
height: 30px;
}
#f-droite {
float: right;
width: 47px;
height: 30px;
}
#f-centre {
float: right;
width: 47px;
height: 30px;
}
.electroreso {
height:50px;
}
.electroreso img {
width:445px;
height:48px;
}
.electroreso img:hover {
width:455px;
height:50px;
}
.index {
height:330px;
}
.index img {
width:494px;
height:326px;
}
.index img:hover {
width:500px;
height:330px;
}
#gauche {
float: left;
width: 500px;
height: 330px;
}
#droite {
float: left;
width: 500px;
height: 330px;
}
#centre {
float: left;
width: 500px;
height: 330px;
}