Possible to show last two pages side by side on larger viewport/screen sizes?

Possible to show last two pages side by side on larger viewport/screen sizes?

Using JQM for the first time and attempting to build a web app which has the standard 'single column' view on smaller viewports but a double (or even treble) column view on larger viewports by using responsive web design CSS. Is this possible with JQM? I can either have all the JQM 'pages' in a single HTML page or AJAX'd in (if that makes any difference)? 

For example:

// 'mobile view'

#page-1

page header
list item
list item
list item 
list item

// 'tablet+ view'

#page-1                  #page-2

page header            page header
list item                  list item
list item                  list item
list item                  list item
list item                  list item

The idea is that on larger viewports, the current page and previous page are always visible. No matter how 'deep' you go.

Is that even possible with JQM? Any pointers greatly appreciated.