<!DOCTYPE html> <html><head> <meta name="viewport" content="width=device-width"> <style> html, body { margin: 0; } </style> <title>In this file the scrollbars that appear are non-root scrollbars</title> </head> <body> <div style="width: 100vw; height: 100vh; overflow: auto"><div style="width: 150vw; height: 150vh"></div></div> </body> </html>