#adminmenu_container {
    margin:0 0 5px 0;
    position:relative;
    height:25px;
    z-index:100;
    width: 870px;
    background-color: #0092C2;
}
.thumbnail {
    padding: 10px;
    text-align: center;
    width: 25%;
}
.grey {
    background-color: #cccccc;
}