body {
    font-family: Arial, sans-serif;
    margin: 20px;
}

h1 {
    color: #333;
}

h2 {
    color: #666;
}

h3 {
    color: #999;
}

p {
    line-height: 1.6;
    color: #444;
}

ul {
    list-style-type: disc;
    margin-left: 20px;
}

ol {
    margin-left: 20px;
}

a {
    color: #007bff;
}

a:hover {
    color: #0056b3;
}