div.baloon {
   font-size: 12px;
   font-family:sans-serif;
   color: #900;
   position: absolute;
   z-index: 1;
   background: #efefef;
   padding: 0;
   text-align: center!important;
}

div.baloon div {
   padding: 5px;
   white-space: nowrap;
   margin: 0 auto;
   text-align: center!important;
}