body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    text-align: center;
}
header {
    background-color: #f2039acd;
    color: white;
    padding: 20px;
}
section {
    margin: 20px;
    padding: 20px;
}
ul {
    list-style-type: none;
}