body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: #f4f4f9;
}
header {
    text-align: center;
    margin-top: 20px;
}
header h1 {
    font-size: 2em;
    color: #333;
}
section {
    width: 80%;
    max-width: 1200px;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    margin: 20px 0;
}
section div {
    width: 48%;
}
h2 {
    color: #333;
}
ul {
    list-style: none;
    padding: 0;
}
ul li {
    margin-bottom: 10px;
}
footer {
    margin-top: 30px;
    text-align: center;
}