> Your browser is unable to run this demo. Please try with an up-to-date Chromium-based browser.
Sorry to see internet regressing to Internet Explorer days.
Edited to add: This is the message I get when using Firefox.
Not really, Internet Explorer was single platform and closed source.
I'd argue that it's the non-Chrome browsers holding the web back nowadays. Realistically, Firefox and Safari exist to just hold back web standards and eventually implement features Chrome had yesterday.
For what it's worth Firefox has a bug open to implement some of the core CSS features being used here: https://bugzilla.mozilla.org/show_bug.cgi?id=1950366