Many web designers and developers are familiar with the CSS rem length unit. But, you may not know that it has a couple of handy alternate uses.

 

The following is a guest post by Roman Rudenko, a mad scientist atMobify where he’s tasked with understanding why browsers misbehave and with cajoling them into playing nice. When he’s not coding, Roman is learning to ride a motorbike without crashing into too many solid objects