div.rolldown {
    background-color: #F1F0F1;
    padding-bottom: 0.5em;
    padding-left: 0.5em;
    margin-left: 1em;
    margin-right:1em;
    margin-bottom: 2.5em;
    box-shadow: 0px 0px 2px #888888;
    display:none;
}