.u-select-tree li span.u-select-tree-switcher_close:before {
  content: "\e52a";
  transform: rotate(180deg) scale(.6);
}

.u-select-tree li span.u-select-tree-switcher_open:before {
  content: "\e672";
  transform: scale(.6);
}

.u-select-tree li span.u-select-tree-switcher {
  padding-left: 0;
  width: 14px;
  height: 14px;
  line-height: 12px;
  border: 1px solid #ccc;
  border-radius: 2px;
  font-size: 14px;
  cursor: pointer;
  &:before {
    display: inline-block;
    font-family: 'yonicon';
    margin-left: -1px;
  }
}