I see - how wide do you want it?
You could adjust the media queries widths.
Here are the standard breakpoints https://www.w3schools.com/howto/howto_css_media_query_breakpoints.asp
anvil has set their break point to
@media(max-width:991px)/@media(min-width:992px)
If you change the media queries to be the next break point up
@media(max-width:1199px)/@media(min-width:1200px)
Then it should work for extra large devices
rather than large devices
… maybe