Steps to Reproduce

use ipad

go to https://keikai.io/demo/validation
click on cell F10, a pop-up will show up
the pop-up contains only 6 items, can't scroll to the 7th item (no scrollbar and also can't scroll with fingers).

Current Result

can't see all available items in the pop-up

Expected Result

should be able to scroll and see all items in the pop-up

Debug Information

Workaround