Hi,
Can you link us to the site so we could take a look?
As Tom mentioned, It’s likely better to adjust that one element instead of forcing the whole site’s mobile view to use 1024px as this may cause more problems since some elements already have their own set @media queries.
But to directly answer the question:
You can adjust the media queries as Tom mentioned here:
https://generatepress.com/forums/topic/setting-custom-responsive-css-media-max-width-ranges/#post-1416756
Note: this will apply to all. Unfortunately, there’s
And of course, if you want to add its preview on customizer, read this:
https://generatepress.com/forums/topic/how-to-change-customizer-device-breakpoints/#post-1189796
Important note: Not all things are controlled here. Some sites from site library add its own CSS codes on Appearance > Customize > Additional CSS and some of the codes have their own media queries set. For those codes, you’ll have to edit them manually.