CSS inline help tips:

2. HTML

This is the same tooltip, but with HTML tags! And a links! You could do even more!

This time, the tooltip contains rich text. Try it!

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed eu diam consectetur, facilisis lorem in, condimentum est. Etiam at leo quis ligula ullamcorper varius. Vivamus sed risus vestibulum, faucibus nibh sed, eleifend enim. Nulla semper augue sit amet velit ultrices consectetur. Sed tincidunt consectetur fermentum.