What is z-index?Write code

Question

Be careful

Answer 1

Here is an example, you might find interesting using z-index :))

https://code.sololearn.com/W2rHalNmDfVL/?ref=app

Answer 2

In 3D world, there are 3 indexes (x, y, z)
x index and y index are responsible for moving the object in left to right and top to bottom.

But z index is for depth, you can move object on(over) each other.
But in css z-index property can not be used without position property.

Good example by Arb Rahim Badsa