.top-link li{padding:23px 24px; }
#mainNav .nav-link {font-size:18px}
.top-link li:first-child{border-left:solid 1px rgba(255, 255, 255, 0.3); padding-left:24px}
.bg-dark.op-1{background:rgba(0,0,0,0.1)!important}
.bg-dark.op-2{background:rgba(0,0,0,0.2)!important}
.bg-dark.op-3{background:rgba(0,0,0,0.3)!important}
.bg-dark.op-4{background:rgba(0,0,0,0.4)!important}
.bg-dark.op-5{background:rgba(0,0,0,0.5)!important}
#mainNav .navbar-toggler{float:none;margin:10px 0 10px 0; border-radius:0; padding:10px 35px}

@media (min-width: 992px){
#mainNav .nav-link {-webkit-transition: none; transition: none; padding: 2rem 2rem 1.9rem 2rem;color: #fff;}
#mainNav .nav-link{padding:2rem 1.2rem }
}


@media (max-width: 992px){
.boder-b {display: block;}
.bg-dark.op-3{text-align:center;}
.boder-b [class*=col-] {-ms-flex: 0 0 100%; text-align:center; flex: 0 0 100%; max-width: 100%;}
}