div.contentTableGuestbookHeadLineMiddleBT,
div.contentTableGuestbook,
div.contentTableGuestbookContent,
div.objectAbsatz_layout4
{
    width:100%;
}
div.guestbook_entry 
{
    width:100%;
    margin-top:15px;
    border-top:1px dotted #999;
    padding:10px 0;
}