Note Regarding Example
The example on this page uses the accessibility friendly Able Player. It is deliberately offset to the left to permit the transcript to be viewable to the right of the player.
1.3.4 Conformance Shown with Non-Technical Explanation
This video conforms to 1.3.4 because the reader's user agent is allowed to determine orientation.
1.3.4 Non-Conformance CSS Markup and Technical Details
The CSS in the conformance demo does not contain any of the relevant code of the non-conformance demo. Sometimes validating accessibility means verifying the abscence of something.