Hacker News featured a link to developer.chrome.com: “Select fields can now be styled” Interesting, let’s click this link! This is what I got:
Yes, that’s the whole page. Somewhat cool, just: Das Element and nothing else. Maybe the start of a Rammstein song? :) But I did expect to read more on the topic…
That “switch to English” button already gives a hint who’s at fault. The original English version of the page looks intact:

So, a “helpful” auto-translate service strikes again! This time, it’s not focused on mis-translating technical terms, though, but rather messing up the HTML markup… Danke! :)
