Why aren't media queries functioning within an iframe?

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Media queries within an iframe may not function properly due to several reasons.

1. Cross-origin restrictions: It is possible that the iframe and the parent document are hosted on different domains or subdomains, which may result in cross-origin restrictions that prevent the iframe from accessing CSS media queries from the parent document.

2. Responsive design limitations: Media queries are used to target specific screen sizes and adjust the layout accordingly. However, if the iframe itself has a fixed size or width, then the media queries may not function properly.

3. Browser compatibility: Different browsers may have different implementations of media queries, which may result in inconsistencies and unexpected behavior within iframes.

Overall, it is important to test media queries within iframes thoroughly and consider the potential limitations and restrictions that may affect their functionality.