Additionally, Safari at least has the fundamentals in place — IE couldn’t even render transparent PNGs properly without Windows-specific filter trickery until around version 9 or so which was released in 2011, around a decade after Gecko based browsers, WebKit-based browsers, and even Microsoft’s own Tasman-based IE for Mac did.
People are quick to forget the pain of things like table-based-layout.
I’ll never forget in 2006-2008-ish I developed a website for my computer repair business (I was in High School) and was very proud of it. Then I opened it in IE (I had developed it in Firefox) and it all fell apart (I was using floats IIRC). I then rewrote the whole thing using tables because I knew my target audience would not be running Firefox.
In Safari sometimes things aren’t aligned correctly but nothing to the degree of hacks I’ve done over the years for IE. Gradients, transparent pngs, rounded corners, the list goes on.
