Thanks for contacting us. It looks like your theme has a CSS rule that is interfering slightly with Fancybox. We would suggest that you add this rule 1 to the very bottom of your theme’s style.css. This will allow Fancybox to display the video without cutting off the controls.
I also see that you are using a WordPress caching plugin, so please make sure to clear your cache after adding the rule. Give that a try and let us know?
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