.navbar {
    background-color: #333;
    padding: 1rem 0;
    position: fixed;
    top: 0;
    width: 100%;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    z-index: 1000;
}

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

.navbar li {
    margin: 0 1.5rem;
}

.navbar a {
    color: white;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
    transition: color 0.3s;
}

.navbar a:hover {
    color: #4CAF50;
}