.forest-green {
  .el-dialog__title::before {
    content: "";
    text-align: center;
    background: $--color-fg-primary;
    float: left;
    position: relative;
    border-radius: 3px;
    /** 定义成 block 元素 **/
    display: block;
    height: 21px;
    width: 4px;
    margin-right: 12px;
  }


}