stacking order of floated and positioned elements

After researching on MDN and reading through this insightful blog post, it is suggested that in the absence of a z-index, positioned elements are supposed to stack above float elements when they overlap. However, upon closer examination, the example provided in the MDN link contradicts this claim. What could be the reason for this inconsistency?

Answer №1

The solution can be found within the hyperlink you shared: The hierarchy of layers is as follows -

  1. Root element's background and borders
  2. Child blocks following the standard flow, in the order they appear (in HTML)

Since this layering comes before the others, it takes precedence - meaning DIV#1 will be positioned behind any floating or fixed DIVs, disregarding regular DIVs.

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