Just for proper attribution, these pages are the work of Steph Davidson.[1] It's generally believed that these page were created when Richard Turley was working at Bloomberg as their creative director.[2]
I guess we now have an answer to what comes after material design. Somebody tell the maintainers of Bootstrap so we can have the entire internet updated asap.
https://www.bloomberg.com/politics/500
https://www.bloomberg.com/500
Their error pages are still quite funny (and epic shit).