Input
Output
<!DOCTYPE html> <html> <head> <style> h1, h2, h3 { color: darkred; text-align: center; } p, li { font-size: 18px; color: #555; } </style> </head> <body> <h1>Main Heading</h1> <h2>Subheading</h2> <h3>Section Title</h3> <p>This paragraph shares styles with list items.</p> <ul> <li>List item one</li> <li>List item two</li> </ul> </body> </html>