<!DOCTYPE html> <html> <body> <h1>My First Heading</h1> <p>My first paragraph.</p> </body> </html>
<!DOCTYPE html> <html lang="pt-br" xml:lang="fr" xmlns="http://www.w3.org/1999/xhtml"> <head> <link rel="stylesheet" type="text/css" href="style.css"> <title>...</title> </head> <body> ... <script type="text/javascript" src="script.js"></script> </body> </html>
<!DOCTYPE html> <html lang="en-US"> <body> ... </body> </html>
<!DOCTYPE html> <html> <title>"TEXT"</title> <body> "Eliments" </body> </html>
<p style="color:red">This is a red paragraph.</p>
<p title=About W3Schools>
<a href=https://www.w3schools.com>
