<!doctype html> <title>CSS Overflow Test: overscroll-behavior doesn't stop overflow from being propagated from the body</title> <link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io"> <link rel="author" title="Mozilla" href="https://mozilla.org"> <link rel="help" href="https://drafts.csswg.org/css-overflow/#overflow-propagation"> <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1586600"> <link rel="match" href="reference/overflow-body-propagation-ref.html"> <style> :root { overscroll-behavior-y: contain; } body { overflow: scroll; margin-top: 100px; } </style> <body>The viewport should have scrollbars, not the body.</body>