Thank you and sorry that there was an issue earlier. We're trying to deal with too many 'issue' variables right now so am glad that this appears to be solved.
yeah, Vimeo is fine But notice that a Vimeo embed is 'loaded' so all the controls work on hover prior to clicking. Youtube is (by design) a static image until we click on it
When I design sites with my coding program, I specify the dimensions of the YouTube player and prefer the smaller sized embedded ones.