body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
    color: #333;
}

header {
    background-color: #4CAF50;
    color: white;
    padding: 20px 0;
    text-align: center;
}

main {
    max-width: 800px;
    margin: 20px auto;
    padding: 0 20px;
}

h1, h2 {
    color: #2c3e50;
}

h2 {
    margin-top: 30px;
}

a {
    color: #e74c3c;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

footer {
    text-align: center;
    padding: 20px 0;
    margin-top: 40px;
    border-top: 1px solid #ccc;
    color: #777;
}