html[dir="rtl"] {
  @component-namespace el {
    .el-expand__btn {
      left: 0;
      right: auto;
      transform: rotate(180deg);
      transform-origin: 6px 10px;
    }

    .el-expand__item--border-left {
      border-left: none;
      border-right: 2px solid #dedede;
    }
  }
}