body {
    font-family: Arial, sans-serif;
    text-align: center;
    margin: 0;
    padding: 40px;
    background-color: #0a4d0a;
    color: white;
}

h1 {
    font-size: 48px;
    margin-bottom: 10px;
}

p {
    font-size: 24px;
}

.mode-btn {
    display: block;
    margin: 20px auto;
    padding: 15px 40px;
    font-size: 24px;
    background-color: #ffd700;
    color: #0a4d0a;
    border: none;
    border-radius: 10px;
    cursor: pointer;
}

.mode-btn:hover {
    background-color: #ffcc00;
}

.big-btn {
    display: block;
    margin: 30px auto;
    padding: 20px 60px;
    font-size: 28px;
    background-color: #ff4444;
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
}

.big-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 12px 30px rgba(0, 255, 0, 0.6);
    background-color: #00ff00;
}