What is point 2 of the CSS22 specification about the order in which elements are drawn in an overlay context?

Question

css

An appendix to the CSS22 specification describes how elements are rendered in an overlay context. This order describes an element that is above the root element (creating a new stacking context), but below the element with a negative z-index, which element are we talking about?

2. If the element is a block, list-item, or other block equivalent:
1. background color of element unless it is the root element.
2. background image of element unless it is the root element.
3. border of element.

2. If the element is a block, list, or equivalent block:
1. the element's background color, if it is not the root element.
2. the element's background image if it's not the root element.
3. border element.

Answer 1

https://habr.com/en/post/431046/