body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

.navbar {
    background-color: #333;
    padding: 10px;
    margin-bottom: 10px;
}

.navbar ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

.navbar ul li {
    margin: 0 15px;
}

.navbar ul li a {
    text-decoration: none;
    color: white;
    padding: 8px 12px;
    transition: background 0.3s;
}

.navbar ul li a:hover,
.navbar ul li a.active {
    background-color: #555;
    border-radius: 4px;
}