/*adjust media query according to your nav class i.e: navbar-expand-lg */
@media (min-width: 992px) and (-ms-high-contrast: active), (-ms-high-contrast: none) {  
    .navbar-nav {
        margin-left: 0 !important;
    }
}
@media (min-width: 992px) {
    .navbar {
        padding: 1.5rem;
    }
    .navbar-nav {
        margin-left: auto;
    }
    [class*='navbar-expand-'] .navbar-nav .nav-link {
        margin-right: .75rem;
        margin-left: .75rem;
        padding-left: 0;
        padding-right: 0;
    }
    .dropdown-submenu {
        position: relative;
    }

    .dropdown-submenu .dropdown-toggle::after{
        content:'\f104' !important;
        position: absolute;
        top: 50%;
        margin-top: -8px;
        right: 5px;
    }

    .dropdown-submenu .dropdown-menu.show {
        left: auto;
        right: 100%;
        top: 0;
        border-right: none;
    }

    .dropdown-menu {
        min-width:300px;
        border-radius: 0;
        top: 51px;
        background: #000 !important;
        border:0;
        padding: 0;
    }
    .navbar-nav li:last-child .dropdown-menu {
        right:0;
        left:auto;
    }

    .dropdown-item {
        white-space:normal;
        padding: 1rem;
    }
    .dropdown-item.active, .dropdown-item:active,
    .dropdown-item:focus, .dropdown-item:hover{
        background-color: #8093DC;
        color:#fff;
    }
    .dropdown-menu a {
        color: #fff !important;
    }

    [class*='navbar-expand-'] a[data-toggle='dropdown'][aria-expanded='true']:before {
        content:'';
        width:20px;
        height:20px;
        display:block;
        position: absolute;
        top: 36px;
        /*top:100%;*/
        left:50%;
        transform: translateX(-50%);
        border:10px solid transparent;
        border-bottom-color:#000;
    }
}