<!doctype html> <html> <head> <title>Block elements</title> </head> <body> <h1>Blocks are full-width</h1> <p>Longer text will wrap internally within each block element.</p> <p>Other blocks will then stack underneath.</p> <aside> <p>They can still be nested.</p> <p>And will push down the page.</p> </aside> </body> </html>