-btn-sm"><i class="layui-icon">&#xe640;</i></button>
    <button class="layui-btn layui-btn-sm"><i class="layui-icon">&#xe602;</i></button>
  </div>

  <div class="layui-btn-group">
    <button class="layui-btn layui-btn-primary layui-btn-sm"><i class="layui-icon">&#xe654;</i></button>
    <button class="layui-btn layui-btn-primary layui-btn-sm"><i class="layui-icon">&#xe642;</i></button>
    <button class="layui-btn layui-btn-primary layui-btn-sm"><i class="layui-icon">&#xe640;</i></button>
    <button cla