I ran into this when we concatenated our css so all the styling would load with one round trip. No warning in the console, IE just ignored the rules after the 4

I ran into this when we concatenated our css so all the styling would load with one round trip. No warning in the console, IE just ignored the rules after the 4095th. And because the concatenation was a build step you wouldn't normally see the problem in a dev build. Good times.