.preserve-white-spaces-mixin(@enabled) when(@enabled =true) {
  // 按钮
  .weui-btn + .weui-btn {
    margin-left: @gutter;
  }
  .weui-btn-area {
    .weui-btn + .weui-btn {
      margin-left: auto;
    }
  }
}

.preserve-white-spaces-mixin(@preserve-white-spaces-enabled);