body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    padding: 20px;
    margin: 0;
    background: #f4f4f4;
}

header, section, footer {
    background: #fff;
    padding: 20px;
    margin: 20px 0;
    border-radius: 8px;
}

h1, h2 {
    color: #333;
}