I am trying to adapt the Youtube URL into custom dimensions and it is not working properly. I'm trying to find out why. The Youtube video doesn't seems to adapt to the restricted area it is supposed to fit in. It is bigger than the area and we can see a part of the video, narrowed.
I noticed that your website is using the "OceanWP" theme and we've seen similar reports in the past where this theme adds its own HTML markup around the embedded videos.
You can go to Theme Panel > Scripts & Styles and disable "FitVids", after which the theme won't interfere with the default embed markup.