[butz]

It makes me shudder to remember when we had to include some outlandish workarounds just to make shadows work on IE6, not to mention custom web fonts.

[donatj]

Transparent PNGs using CSS filter:progid:DXImageTransform.Microsoft.AlphaImageLoader is my shudder. Flat design would have made life so much easier back then.

[LoganDark]

Remember the Line25 "realistic shadows" pack??

(I cringe when I look at some of the emails I had with them back when I was 11, though...)

[mikepurvis]

The ghost of sIFR looms large in the memories of some.