nav {
    background-color: #4f4993;
}

a.nav-link {
    color: white;
}

li.nav-item {
    padding: 15px 5px;
}

ul {
    list-style-type: none;
}

@media screen and (min-width: 200px) and (max-width: 991px) {
    .navbar .nav-item .dropdown-menu {
        display: block;
        opacity: 1;
        visibility: visible;
        transition: 0.3s;
        background-color: #4f4993;
        border: none;
        width: 240px;
        margin: auto;
        text-align: center;
    }

    .navbar .nav-item .dropdown-menu.fade-down {
        top: 80%;
        transform: rotateX(0deg);
        transform-origin: 0% 0%;
    }

    .navbar .nav-item:hover .dropdown-menu {
        transition: 0.3s;
        display: block;
        top: 100%;
        transform: rotateX(0deg);
    }

    .navbar .nav-item .dropdown-menu .dropdown-item {
        color: #FFFFFF8C;
    }

    .navbar .nav-item .dropdown-menu .dropdown-item:hover {
        color: white;
        background-color: #4f4993;
    }
}

@media all and (min-width: 992px) {
    .navbar .nav-item .dropdown-menu{
        display:block;
        opacity: 0;
        visibility: hidden;
        transition:.3s;
        margin-top:0;
        background-color: #4f4993;
        border: none;
        width: 220px;
        height: 75px;
        left: -70%
    }

    .navbar .nav-item .dropdown-menu li{
        margin-left: 15px;
    }

    .navbar .dropdown-menu.fade-down{
        top:80%;
        transform: rotateX(-75deg);
        transform-origin: 0% 0%;
    }

    .navbar .nav-item:hover .dropdown-menu{
        transition: .3s;
        opacity:1;
        visibility:visible;
        top:100%;
        transform: rotateX(0deg);
    }

    .navbar .nav-item .dropdown-menu .dropdown-item{
        color: #FFFFFF8C;
    }

    .navbar .nav-item .dropdown-menu .dropdown-item:hover{
        color: white;
        background-color: #4f4993;
    }
}