Can you tell me about the feature called "Inspect Browser" box?

Can you identify the significance of this enigmatic purple box while inspecting elements in the browser's developer tools? It does not correspond to padding, margins, or borders, yet it seems to be occupying space within the designated div.

[1]: https://i.sstatic.net/14nnb.png

Answer №1

Consider it as a void within an element that excludes:

  • padding
  • margin
  • border
  • descendants

There might be more exceptions, but it's essentially unused space that must be acknowledged. This anomaly arises when designing layouts without reliance on sizing, padding, and margins. For instance, when utilizing the spacing capabilities of flexbox or cssgrid, these mysterious purple gaps appear.

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