body {
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
    text-align: center;
    color: #333;
}
.wrapper {
    margin: 3rem auto;
    max-width: 800px;
    padding: 2rem;
}
h1 {
    margin-bottom: 1rem;
}
h2 {
    margin-top: 0;
}
.intro {
    font-size: 3rem;
    font-weight: bold;
}