body {
    margin: 0;
}

.navbar {
    background-color: #2e7f0b;
}

.navbar-nav .nav-item .nav-link {
    color: white;
    padding: 10px 15px;
}

.navbar-nav .nav-item .nav-link:hover {
    background-color: grey;
    color: white;
}

.navbar-nav .nav-item .nav-link.disabled {
    color: #ccc;
}

.navbar-nav .nav-item ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    list-style-type: none;
    padding: 0;
    margin: 0;
    background-color: #333;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    width: 200px;
}

.navbar-nav .nav-item:hover > ul {
    display: block;
}

.navbar-nav .nav-item ul li {
    width: 100%;
}

.navbar-nav .nav-item ul li ul {
    left: 100%;
    top: 0;
}

.navbar-nav .nav-item ul li a {
    padding: 10px 15px;
    display: block;
    color: white;
}

.navbar-nav .nav-item ul li a:hover {
    background-color: grey;
    color: white;
}