body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f9;
    color: #333;
}
header {
    background-color: #005f3c;
    color: white;
    padding: 1em;
    text-align: center;
}
section {
    padding: 2em;
    max-width: 800px;
    margin: auto;
}
h2 {
    color: #005f3c;
}
ul {
    list-style-type: square;
    padding-left: 20px;
}
footer {
    text-align: center;
    background-color: #eee;
    padding: 1em;
}
a {
    color: #005f3c;
    text-decoration: none;
    font-weight: bold;
}
a:hover {
    text-decoration: underline;
}