<!DOCTYPE html> <html> <head> <meta charset=utf-8> <style type="text/css"> * { margin: 0; padding: 0; } article { margin-left: 10rem; } aside { width: 5rem; padding: 1rem; color: white; background-color: pink; border-radius: 0.5rem; position:absolute; margin-left: -9rem; } aside:after { content: ''; position: absolute; display: block; width: 0; height: 0; border: 0.5rem solid pink; border-bottom-color: transparent; border-right-color: transparent; right: -1rem; top: 0.5rem; } .note { color: green; text-decoration-line: underline; } </style> </head> <body> <section> <article> <p>煮豆燃豆萁,</p> <p>豆在釜中泣。</p> <p>本是同根生,</p> <aside>豆秸怎能这样急迫地煎熬豆子呢?</aside> <p class='note'>相煎何太急?</p> </article> </section> </body> </html>