m3 layui-col-md2 layui-col-lg1 '><i class="fa fa-bolt"></i><span>fa-bolt</span></li>
                <li class='layui-col-xs4 layui-col-sm3 layui-col-md2 layui-col-lg1 '><i class="fa fa-bomb"></i><span>fa-bomb</span></li>
                <li class='layui-col-xs4 layui-col-sm3 layui-col-md2 layui-col-lg1 '><i class="fa fa-book"></i><span>fa-book</span></li>
                <li class='layui-col-xs4 layui-col-sm3 layui-col-md2 layui-col-lg1 '><i class="fa fa-bookmark"></i><span>fa-bookmark</span></li>
        