.lm{position:absolute;z-index:7;background-color:#fff;box-shadow:0 0 3px 0 #000;border-radius:6px;padding:4px;box-sizing:border-box}.ml10{margin-left:10px}.w_bk{border-top:1px solid #000;box-sizing:border-box;position:relative}.w_bk,.w_bks{width:1920px;height:1080px}.w_bks{z-index:1000;position:fixed;top:0;left:0}#my{border:1px solid #000}#my,#mys{position:absolute;box-sizing:border-box;z-index:5}.tableg{width:100%;height:100%;z-index:4;float:left}.hengx{width:20px;height:20px;border-right:1px solid #000;border-bottom:1px solid #000;opacity:.1;float:left}