We have div's in separate parent like parent 1 and parent 2 as shown in below image.
We want to make height of both child div's are same by using CSS.
Something like child of Parent 2 should take height of child of Parent 1 or wise-versa.
We already have JS code to do equalization but it was failed in some cases, where some div's are hidden with their parents. So in that case the highest height of children are not able to fetch and assign to visible child div's.