Thanks for the flashbacks! I had blacked out any memories of the world before 'border-radius' before seeing that!

And now that it's easy people try to avoid using rounded corners...

Well, I just found people still love rounded corners in LaTeX templates of books nowadays...

We shall not speak of those dark times!

The only thing darker were the accompanying drop shadows

Well I just discovered this 11 year old Firefox bug due to that page

https://bugzilla.mozilla.org/show_bug.cgi?id=477157

Make the change easy -- then make the easy change

They're probably waiting until it goes away on its own as all epic bugs do

Check color box with rounded corner in LaTeX, people are still living with it nowadays...