ul#ledstrip{box-sizing:border-box;width:100%;height:32;border-style:solid;border-width:5px;margin:auto;padding:0}li[id^=cell_]{box-sizing:border-box;cursor:pointer;display:block;width:3.125%;height:100%;float:left;padding:0;border-style:solid;border-width:2px;border-color:#222;margin:0}