Best way to set oversized asset as background

I have an asset created in adobe xd in which want to set as a background on my webflow site. However, I can’t seem to appropriately set it so it’s both responsive and lays in the correct position. May I ask for help as to how I can do this?


Here is my site Read-Only: https://squizxzs-initial-project.webflow.io/
This is what I aim to achieve:

Please share your read only link. https://university.webflow.com/article/sharing-your-sites-read-only-link