i>
                <li class='layui-col-xs4 layui-col-sm3 layui-col-md2 layui-col-lg1 '><i class="fa fa-heartbeat"></i><span>fa-heartbeat</span></li>
                <li class='layui-col-xs4 layui-col-sm3 layui-col-md2 layui-col-lg1 '><i class="fa fa-hospital-o"></i><span>fa-hospital-o</span></li>
                <li class='layui-col-xs4 layui-col-sm3 layui-col-md2 layui-col-lg1 '><i class="fa fa-medkit"></i><span>fa-medkit</span></li>
                <li class='layui-col-xs4 layui-col-sm3 layui-col-md2 lay