* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    text-align: center;
}

.container {
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 20px;
}

.button-group {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.button {
    display: block;
    padding: 15px;
    font-size: 1.5rem;
    background-color: #007bff;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.button:hover {
    background-color: #0056b3;
}

@media (max-width: 600px) {
    .button {
        font-size: 1.2rem;
        padding: 12px;
    }
}