/* Style 1: Body Font */
body {
    font-family: Arial, sans-serif;
}

/* Style 2: Header Background Color */
header {
    background-color: #333;
    color: #fff;
}

/* Style 3: Navigation Link Color */
nav ul li a {
    color: #fff;
}

/* Style 4: Main Padding */
main {
    padding: 20px;
}

/* Style 5: Section Margin Bottom */
section {
    margin-bottom: 20px;
}

/* Style 6: Footer Background Color */
footer {
    background-color: #333;
    color: #fff;
    padding: 20px;
}

/* Style 7: Heading Color */
h2 {
    color: #ff0000;
}

/* Style 8: Link Color */
a {
    color: #ff0000;
}

/* Style 9: Link Hover Color */
a:hover {
    color: #000;
}

/* Style 10: Article Border */
article {
    border-bottom: 1px solid #000;
    padding-bottom: 20px;
}

/* Style 11: Article Heading Color */
article h3 {
    color: #000;
}

/* Style 12: Article Paragraph Color */
article p {
    color: #333;
}