<!doctype HTML> <html> <meta charset="utf8"> <title>CSS Content Visibility: hidden container is not breakable</title> <link rel="author" title="Vladimir Levin" href="mailto:vmpstr@chromium.org"> <link rel="help" href="https://drafts.csswg.org/css-contain/#content-visibility"> <link rel="match" href="content-visibility-003-ref.html"> <meta name="assert" content="content-visibility hidden container is not breakable"> <style> #container { border-top: solid green 50px; border-bottom: solid green 50px; content-visibility: hidden; } #parent { columns: 2; height: 0px; width: 200px; column-gap: 0; } </style> <p>Test passes if there is a solid green square below. <div id="parent"> <div id="container">Text</div> </div> </html>