.ht-base-transfer-tree {
  .ht-transfer {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    color: rgba(0,0,0,0.65);
    font-size: 14px;
    line-height: 1.5;
    list-style: none;
    position: relative;
  }
  .ht-transfer-customize-list {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    .ht-transfer-list {
      -webkit-box-flex: 1;
      -webkit-flex: auto;
      -ms-flex: auto;
      flex: auto;
      width: auto;
      height: auto;
      min-height: 200px;
      position: relative;
      display: inline-block;
      padding-top: 40px;
      vertical-align: middle;
      border: 1px solid #d9d9d9;
      border-radius: 4px;
      .ht-transfer-list-header {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        padding: 8px 12px 9px;
        overflow: hidden;
        color: rgba(0,0,0,0.65);
        background: #fff;
        border-bottom: 1px solid #e8e8e8;
        border-radius: 4px 4px 0 0;
      }
      .ht-transfer-list-body {
        position: relative;
        height: 100%;
        font-size: 14px;
        .ht-transfer-list-body-customize-wrapper {
          padding: 12px;
        }
        .ht-transfer-list-body-not-found {
          position: absolute;
          top: 50%;
          width: 100%;
          padding-top: 0;
          color: rgba(0,0,0,0.25);
          text-align: center;
          -webkit-transform: translateY(-50%);
          -ms-transform: translateY(-50%);
          transform: translateY(-50%);
          .ht-empty-small {
            margin: 8px 0;
            color: rgba(0,0,0,0.25);
            .ht-empty-image {
              height: 35px;
              margin-bottom: 8px;
            }
          }
          .ht-empty {
            margin: 0 8px;
            font-size: 14px;
            line-height: 22px;
            text-align: center;
          }
        }
        .ht-transfer-list-content {
          height: 100%;
          margin: 0;
          padding: 0;
          overflow: auto;
          list-style: none;
        }
      }
    }
    .ht-transfer-operation {
      -webkit-box-flex: 0;
      -webkit-flex: none;
      -ms-flex: none;
      flex: none;
      align-self: center;
      display: inline-block;
      margin: 0 8px;
      overflow: hidden;
      vertical-align: middle;
    }
  }
  .tree-transfer{
    .ht-transfer-list:first-child {
      width: 50%;
      flex: none;
    }
  }
}
