xs4 layui-col-sm3 layui-col-md2 layui-col-lg1 '><i class="fa fa-mars-stroke"></i><span>fa-mars-stroke</span></li>
                <li class='layui-col-xs4 layui-col-sm3 layui-col-md2 layui-col-lg1 '><i class="fa fa-mars-stroke-h"></i><span>fa-mars-stroke-h</span></li>
                <li class='layui-col-xs4 layui-col-sm3 layui-col-md2 layui-col-lg1 '><i class="fa fa-mars-stroke-v"></i><span>fa-mars-stroke-v</span></li>
                <li class='layui-col-xs4 layui-col-sm3 layui-col-md2 layui-col-lg1 '><i 