.regionTab {
  position: absolute;
  left: 0;
  top: 0;
  border: 1px solid #ccc;
  width: 350px;
  background-color: white;
  z-index: 12000;
  white-space: normal;
}

.regionTab>ul {
  margin-bottom: 0px;
  font-size: 12px;
}

.regionTab>div {
  max-height: 170px;
  overflow-y: auto;
}

.input-append .active, .input-prepend .active {
  background-color: transparent;
  border:0;
}