li 上加删除按钮
<li style="position:relative;"><a href="javascript:;"> <?php echo $f['csf_filtertilte']; ?></a> <span class="glyphicon glyphicon-remove removefilter" style="position:absolute;right:5px;top:5px;" ></span> </li>
<li style="position:relative;"><a href="javascript:;"> <?php echo $f['csf_filtertilte']; ?></a> <span class="glyphicon glyphicon-remove removefilter" style="position:absolute;right:5px;top:5px;" ></span> </li>