Wix doesn't actually allow the video/embed code to go full screen on their site without a little backend work. Check out this video to see how it is done.

Open up Dev Mode in Wix. Copy and paste the exact info below into the dev field

$w.onReady(function () {

// does not change to full screen

// sets flag to *allow* full screen

// code in HtmlComponent will change to full screen



Just pay attention to the html1 make sure that is changed to the #html that you are wanting to go full screen.

It should look like this:



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