.tip {
  display: none;
  position: absolute;
  width: 220px;
  text-align: center;
  font-size: .9em;
}
.tipTop {
  height: 13px;
  padding: 1px;
  background: url('../img/ahovertip/bg_atip_top.png') 0 0 no-repeat;
}
.tipText {
  padding: 1px 15px;
  background: url('../img/ahovertip/bg_atip_body.png') 0 0 repeat-y;
}
.tipBottom {
  height: 23px;
  padding: 1px;
  background: url('../img/ahovertip/bg_atip_bottom.png') 0 0 no-repeat;
}