.clearfix {
  *zoom: 1;
}
.clearfix:before,
.clearfix:after {
  display: table;
  content: "";
  line-height: 0;
}
.clearfix:after {
  clear: both;
}
.dual-control .btn {
  padding: 0 8px;
  line-height: 24px;
  font-size: 11px;
  cursor: pointer;
  color: #999;
  height: 26px;
  margin: 2px 1px;
}
.left-box,
.right-box {
  width: 40%;
  position: relative;
}
.left-box .multiple,
.right-box .multiple {
  height: 300px;
  margin-top: 15px;
}
.left-box {
  float: left;
}
.right-box {
  float: right;
}
.filter {
  position: absolute;
  right: 2px;
  top: 4px;
  font-size: 12px;
  background: none;
  border: none;
  color: gray;
}
.dual-control {
  text-align: center;
  width: 90px;
  margin: 80px 1px;
  position: absolute;
  left: 50%;
  margin-left: -45px;
}
.count-label {
  color: gray;
  font-style: italic;
  display: block;
}
.box-filter {
  width: 100%;
  font-size: 12px !important;
  min-height: 30px;
  margin-bottom: 0 !important;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}