#plant a{position:absolute;background:#FFF}
#plantclick{position:absolute;height:18px;right:0; bottom:0}
#plantclick span{float:left;width:17px;height:18px; display:block;background:#ccc;text-align:center;color:#FFF;cursor:pointer; margin-left:1px; color:#999;}
#plantclick span.on{background:#f00; color:#FFF}
#plant{position:relative;overflow:hidden}