I tried your login credentials here but it’s no longer working so I can’t see the issue.
Can you confirm?
Background images aren’t responsive by nature so it’s difficult to tweak sometimes – the example you’ve provided here is using a static image as the featured image:
https://prnt.sc/w9jgql
Also as mentioned before, please refrain from bumping your topic β we answer every reply within 24 hours.
It’s also Christmas day here.