.ad {
   padding: 4px;
   border: 1px solid #dfdfdf;
   background: #ffd url(/images/style/mn.gif) repeat-x 50% top;
}
.ad a {
   color: black;
}
.ad:before {
   background: url(/images/style/advt.png) left 2px no-repeat;
   text-align: right;
   display: block;
   margin: -7px -7px -22px -5px;
   height: 28px;
   content: url();
}