<!doctype html> <html lang=en> <meta charset=utf-8> <title>CSS-contain test: style containment on body prevents overflow propagation</title> <link rel="author" title="Florian Rivoal" href="https://florian.rivoal.net"> <meta name=flags content=""> <meta name=assert content="style containment on body prevents overflow propagation"> <link rel="match" href="reference/contain-body-overflow-001-ref.html"> <link rel=help href="https://drafts.csswg.org/css-contain-2/#contain-property"> <style> html, body, p, div { margin: 0; width: 200px; height: 200px; } div { background: red; } body { overflow: hidden; contain: style; } </style> <p>Test passes if there is no red. <div></div>