html{
	background-image:url(Fond-page-montagne-neige.jpg);
	background-attachment: fixed;
    background-position: center top;
    background-repeat: no-repeat;
    background-color: #FFFFFF;
}

.hautdepage{
background-image:url(carre_blanc30.png);
}

.basdepage{
background-color:#18436F;
}

.cellule1{
background-color:#18436F;
}

.cellule2{
background-color:#56719A;
}