Modificare il codice:
Vedi Risultato »
Prova tu stesso - ©
w3ii.com
<!DOCTYPE html> <html> <title>W3.CSS</title> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="/lib/w3.css"> <body class="w3-container"> <br> <div class="w3-container w3-border-top"> <p>The w3-border-top class adds a top border to an element.</p> </div> </body> </html>