.tab-3:after,.tab-3:before,.tab-4:before,.tab-4:after{content:"";position:absolute;height:10px;bottom:0}.tab-3:after{width:25px;right:75px;left:100px}.tab-3:before{height:50px;width:100px;bottom:-50px;left:0;background:#fafafa}.tab-3.active:after,.tab-4.active:after{border-radius:0 0 0 10px;box-shadow:-10px 0 #fff}.tab-4.inactive:after{border-radius:0 0 0 10px;box-shadow:-10px 0 #fafafa}.tab-4:after{width:20px;right:-20px}.tab-4.active:before{width:20px;left:80px;border-radius:0 0 10px;box-shadow:10px 0 #fff}