index.css

body {
    font-family: sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    background-color: #fff;
    padding: 1rem 0;
    text-align: center;
}

header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

header p {
    font-size: 1.2rem;
    color: #777;
}

main {
    padding-top: 4rem;
    padding-bottom: 8rem;
}

main h2 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

main ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

main li {
    margin-bottom: 0.5rem;
}

footer {
    background-color: #f0f0f0;
    padding-top: 4rem;
    padding-bottom: 8rem;
    text-align: center;
}

footer h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

footer ul {
    padding: 0;
    margin: 0;
}

footer li {
    display: inline-block;
    margin-right: 1rem;
}

footer a {
    color: #007bff;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}