#references,
#references ul{
    list-style-type:none;
    margin:0;
    padding:0;
}
li.reference_object{
    background-color:#F0F0F0;
    clear:both;
    overflow:hidden;
    margin-bottom:10px;
}
* html li.reference_object{
    width:100%;
}
li.reference_object #reference_photos li{
    float:left;
    text-align:center;
    border:1px dashed #E0E0E0;
    margin-left:10px;
    padding:5px;
}