.tab-item{position:relative;z-index:99;height:48px}.tab-item.active h3:after{background:#1d1d1f}.tab-item h3{position:relative;cursor:pointer;line-height:48px;font-size:18px}.tab-item h3:after{display:block;content:"";width:100%;height:4px;left:0;bottom:0;border-radius:2px}.tab-item h3:hover:after{background:#1d1d1f}.tab-item+.tab-item{margin-left:36px}