body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f0f0;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    text-align: center;
}

@media only screen and (max-width: 600px) {
    h1 {
        font-size: 18px;
    }
}