.tooltip{
 position: absolute;
 visibility: hidden;
 z-index: 20;
}

.tooltip_top {
 background-repeat: no-repeat;
 height: 18px;
 position: relative;
 top: 2px;
 width: 1px;
}

.tooltip_bottom {
 background-repeat: no-repeat;
 height: 18px;
 position: relative;
 top: -2px;
 width: 1px;
}

.tooltip_body {
 font-size: 11px;
 color: #333333;
 background-color: #ffc;
 border: 2px solid #c5c6a4;
 padding: 8px;
 -moz-border-radius: 8px;
}

