Timeline - Unable to go full screen or Youtube Videos

Description

Full screen mode for Youtube videos only works for Chrome.

Details are on the post: https://h5p.org/comment/23658#comment-23658

Notes:
Issue can be reproduced with the content created in H5P.org: https://h5p.org/node/347394
Screenshot attached

Environment

Browsers:
Firefox Version 63.0.1 (64-bit)
Safari Version 12.0.1 (12606.2.104.1.2)
Microsoft Edge 40.15063.674.0

Acceptance Criteria

None

Status

Assignee

Unassigned

Reporter

Bienvenido Villadelrey

Labels

None

Funding

None

Code reviewer

None

Released

None

Time tracking

0m

Fix versions

None

Sprint

None

Priority

Medium
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