Frontend Web Development Bootcamp - Build a Twitter Clone - Positions - Part 2

The video tutorial covers various CSS positioning properties, including absolute, fixed, and sticky. It explains how position absolute allows elements to be positioned relative to their closest positioned parent, affecting the normal flow of the page. The tutorial also discusses the z-index property for controlling element stacking order. Position fixed is described as a way to keep elements in place relative to the viewport, even when scrolling. Finally, position sticky is introduced, which combines aspects of relative and fixed positioning based on scroll position.

What must be true about a parent element for a child element with position absolute to be positioned relative to it?

What is the difference between position sticky and position relative?

Describe the behavior of an element with position sticky when scrolling.