/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    line-height: 1.6;
}

/* Header */
header {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 1rem;
}

header h1 {
    margin: 0;
    font-size: 2rem;
}

/* Navigation */
nav {
    background-color: #444;
    padding: 1rem;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: #ddd;
}

/* Footer */
footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 1rem;
    position: fixed;
    bottom: 0;
    width: 100%;
}

/* General Content */
.content {
    padding: 2rem;
    text-align: center;
}

/* Buttons (Used in Pong and potentially elsewhere) */
button {
    padding: 0.5rem 1rem;
    margin: 0 0.3rem;
    font-size: 1rem;
    cursor: pointer;
    background-color: #333;
    color: white;
    border: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #555;
}

button.active {
    background-color: #007BFF;
}

/* Responsive Design */
@media (max-width: 600px) {
    nav ul {
        flex-direction: column;
        gap: 1rem;
    }

    header h1 {
        font-size: 1.5rem;
    }

    .content {
        padding: 1rem;
    }
}