CSS Regions Test: Selection begins and ends outside of the region moving downward

Click on the orange square, keep the mouse button down and drag it to the blue square, release the mouse over the blue square.

before region before region before region before region before region before region before region before region before region before region before region before region

before region before region before region before region before region before region

in region in region in region in region in region in region in region in region in region in region in region in region in region in region in region in region in region in region in region in region in region in region in region in region in region in region in region in region in region in region in region in region in region in region in region in region in region in region in region in region

after region after region after region after region after region after region after region after region after region after region after region after region after region after region after region after region

after region after region after region after region after region