div#haut h2{
    display: block;
    text-align: center;
}

div#bas{
    width: 100%;
    height: 100%;
}

div#bas ul {
    display: block;
    padding: 0;
    float: left;
}

div#bas li {
    display: block;
    list-style-type: none;
}

div#bas .img{
    width: 430px;
    height: 275px;
}