Relative sizes with em

Level 2 of 10

Your goal

The parent's font size is 20px. Set the child's font-size in em so that it works out to 30px.

Must usefont-size

target content boxtarget outer edge (green = matched, red = not yet)

Feedback updates as you type, and your CSS is saved in this browser. Exact target numbers are in the Target panel.