      <li class='layui-col-xs4 layui-col-sm3 layui-col-md2 layui-col-lg1 '><i class="fa fa-pencil-square-o"></i><span>fa-pencil-square-o</span></li>
                <li class='layui-col-xs4 layui-col-sm3 layui-col-md2 layui-col-lg1 '><i class="fa fa-phone"></i><span>fa-phone</span></li>
                <li class='layui-col-xs4 layui-col-sm3 layui-col-md2 layui-col-lg1 '><i class="fa fa-phone-square"></i><span>fa-phone-square</span></li>
                <li class='layui-col-xs4 layui-col-sm3 layui-col-md2 la