.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{width:1920px;height:1080px;border-top:1px solid #000;position:relative}#my,.w_bk{box-sizing:border-box}#my{position:absolute;border:1px solid #000;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}