That’s not really how web development works any more (and hasn’t for a decade). Pages should be “responsive” i.e. work on any device, with generally the same content.
What’s the URL of the page you want to edit, and what changes do you want to make?
Yes possible. When you edit elementor page, choose the mobile version and then edit for mobile, it will not ruin anything on desktop version.
That’s not really how web development works any more (and hasn’t for a decade). Pages should be “responsive” i.e. work on any device, with generally the same content.
What’s the URL of the page you want to edit, and what changes do you want to make?
Yes possible. When you edit elementor page, choose the mobile version and then edit for mobile, it will not ruin anything on desktop version.