#navbar {
    position: fixed;
    top: 0;
    background-color: #333;
    width: 100%;
    overflow: hidden;
    z-index: 2;

    opacity: 0;
    transition: opacity 1s ease-in-out;
}

#navbar.visible {
    opacity: 1;
}

nav ul {
    list-style-type: none;
    padding: 10px;
    margin: 0;
    display: flex;
    justify-content: space-evenly;
}

nav ul li {
    position: relative;
}

nav a {
    display: block;
    padding: 10px 15px;
    color: #66ccff;
    text-decoration: none;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

nav a:hover {
    background-color: #555;
}