.photocentrale ul
{
    float:left;
    list-style-type:none;
    margin:0px;
    padding:0px;
    margin-top:5px;
    margin-bottom:1px;
    margin-left:5px;
}

.photocentrale li
{
    margin:15px;
    float:left;
}

.photocentrale img
{
    border:solid 1px #006c46;
    padding: 1px;
}