body {
    font-size: 75%;
    color: #222;
    font-family: Century Gothic,sans-serif;
    background-color: #f5f5f5;
}

#fond_nav {
    background: #d4e2ff;
    height: 50px;
    clear: both;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 9999;
    background-color: #fff;
    border-bottom: 1px solid;
    border-color: #ddd;
}

a {
    color: #003b51;
    text-decoration: underline;
}

.box_accueil {
    min-height: 340px;
    border: 1px solid #ccc;
    background: #FFF;
}

.couleur-blanc {
     background-color: transparent;
    padding-top: 10px;
}