.psn-navbar.bg-dark{background:linear-gradient(90deg,#0f2027,#203a43,#2c5364,#537895,#3e9f83)!important}.nav-item{position:relative}.nav-item>a{display:inline-block;max-height:36px;overflow:hidden}.nav-link.active:after{content:"";position:absolute;bottom:-9px;left:50%;width:0;height:0;border:10px solid transparent;border-top:none;border-bottom:10px solid #fff;transform:translate(-50%) scale(0);transform-origin:center bottom;transition:transform .3s ease;transform:translate(-50%) scale(1)}