flow-root contains floats
Level 8 of 10Your goal
The grey .parent has collapsed to 0px tall because its child is floated. Make it wrap the 120 × 80 float, so the parent becomes 300 × 80, with display: flow-root.
Must use
displayNot allowed
overflowtarget content boxtarget outer edge (green = matched, red = not yet)
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