Je teste
mon code HTML
Visualiser
<!DOCTYPE html> <html lang="fr"> <head> <meta charset="UTF-8"> <title>Les grilles CSS</title> <style> body { text-align: center; } #conteneur { display: grid; grid-gap: 10px; max-width: 480px; margin: 0 auto; } #conteneur > * { background-color: lime; padding: 30px; } </style> </head> <body> <div id="conteneur"> <header>header</header> <main>main</main> <section>section</section> <aside>aside</aside> <nav>nav</nav> <footer>footer</footer> </div> </body> </html>