body {
    font-family: Arial, sans-serif;
    background: #f0f0f0;
    color: #333;
    text-align: center;
    padding: 20px;
}

header {
    background: rgba(255, 255, 255, 0.8);
    padding: 10px;
    border-radius: 10px;
    margin-bottom: 20px;
}

button {
    background: #007bff;
    color: white;
    border: none;
    padding: 10px 20px;
    margin: 10px;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background: #0056b3;
}

main {
    background: rgba(255, 255, 255, 0.8);
    padding: 20px;
    border-radius: 10px;
}