body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f2f2f2;
}
.wrapper {
    max-width: 800px;
    margin: 20px auto;
    background: #fff;
    padding: 20px;
    border-radius: 8px;
}
h1 {
    margin-top: 0;
}
a {
    color: #0044aa;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}
ul {
    margin-top: 5px;
}