z-index
z-index is what decides where your element would be placed on 3-dimension. When you have an element that is not positioned, Where you haven't set it to absolute or relative or fixed. The z-index is not applied.
z-index is what decides where your element would be placed on 3-dimension. When you have an element that is not positioned, Where you haven't set it to absolute or relative or fixed. The z-index is not applied.