.nav-links li {
    list-style: none;
}

.dropdown {
    position: relative;
}

.dropdown-menu {
    display: none;
    position: absolute;
    background: white;
    list-style: none;
    padding: 0;
    margin: 0;
    min-width: 150px;
    box-shadow: 0px 4px 8px rgba(0,0,0,0.2);
}

.dropdown-menu li {
    padding: 3px;
}

.dropdown-menu li a {
    text-decoration: none;
    color: black;
    display: block;
}

.dropdown-menu li:hover {
    background: #f0f0f0;
}

.dropdown:hover .dropdown-menu {
    display: block;
}