Scrollbars take up space
Level 1 of 10Your goal
Force scrollbars on both axes with overflow: scroll. The box stays 200 × 100 on the outside, but its content area shrinks by the scrollbar's thickness.
Must use
overflowtarget 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.