body {
    text-align: center;
    padding: 50px;
    font-family: 'Arial', sans-serif;
    background-color: #f4f4f4;
    color: #333;
}
.container {
    max-width: 600px;
    margin: auto;
    padding: 20px;
    border: 1px solid #ddd;
    background-color: #fff;
    border-radius: 8px;
}
h1 {
    color: #e74c3c;
}