body {
    background-color: #3B3B3B;
    font-size: 40px;
    font-weight: bold;
    color: #4CAF50;
    text-transform: uppercase;
    font-family: Arial, sans-serif;
}

.nav_bar {
    background-color: #222222;
    display: flex;
    justify-content: center;
    gap: 20px;
    padding: 15px;
}

.nav_bar a {
    display: block;
    padding: 10px 20px;
    border: 2px solid #4CAF50;
    text-decoration: none;
    color: #4CAF50;
    background-color: #222222;
    border-radius: 8px;
}

.nav_bar a:hover {
    background-color: #4CAF50;
    color: #222222;
}