n layui-btn-sm"><i class="layui-icon">&#xe654;</i></button>
    <button class="layui-btn layui-btn-sm"><i class="layui-icon">&#xe642;</i></button>
    <button class="layui-btn layui-btn-sm"><i class="layui-icon">&#xe640;</i></button>
    <button class="layui-btn layui-btn-sm"><i class="layui-icon">&#xe641;</i></button>
  </div>

  <br><br>

  <span>按钮尺寸：</span>
  <hr>
  
  <div class="layui-btn-container">
    <button class="layui-btn layui-btn-lg">大型按钮</button>
    <button class="layui-bt