@keyframes NavItem {
    0% {
        width: 0;
    }

    100% {
        width: 80%;
    }
}

.navbar-nav .cur a {
    color: #1362AD;
}

.navbar-nav .cur a::after {
    display: block !important;
}

.navbar-nav .nav-item a {
    transition: 500ms;
}

.navbar-nav .nav-item {
    position: relative;
}

.navbar-nav .nav-item:hover a::after {
    display: block;
}

.navbar-nav .nav-item a::after {
    content: '';
    width: 0;
    height: 2px;
    background-color: #1362AD;
    position: absolute;
    bottom: -31px;
    display: none;
    animation: NavItem 500ms forwards;
}