Custom video aspect ratio

Hey - how do I control the size and shape of a video?

On the home page, I want the website mock-up to be a video with the screen scrolling - but when I add it there are no options to control proportions - I want it to mirror the above section.

I am assuming this has to be done with code as there are no options elsewhere.

I really hope this is a feature Squarespace sorts out soon - as videos are no longer only one size anymore and it's a real limitation when trying to include a variety of elements into flrxible design.

I found this blog post today while searching for some option to display videos in a gallery. Seems to work! https://insidethesquare.co/squarespace-tutorials/video-block-size