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<!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <style> body { background: #555; } .content { max-width: 500px; margin: auto; background: white; padding: 10px; } </style> </head> <body> <div class="content"> <h1>This page is horizontally centered on screens that are wider than 500 pixels.</h1> <h1>Resize the browser window to see the effect.</h1> <p>This page is always centered on screens that are wider than 500px. On screens that are less than 500px wide, it will span the whole of the page.</p> <p>Content inside this container is centered horizontally.</p> <p>Content inside this container is centered horizontally.</p> <p>Content inside this container is centered horizontally.</p> <p>Content inside this container is centered horizontally.</p> <p>Content inside this container is centered horizontally.</p> <p>Content inside this container is centered horizontally.</p> <p>Content inside this container is centered horizontally.</p> <p>Content inside this container is centered horizontally.</p> <p>Content inside this container is centered horizontally.</p> </div> </body> </html>
