I need some guidance into making a responsive background image for an admin page without using media queries. The background image needs to respond to the browser window without stretching.
Similar to this example page
I using bootstrap 3.3.6 to build this page. The admin login page is divided as a split screen.
http://www.r1.jxt.com.au/Admin/login.aspx?ReturnURL=~%2fadmin%2fdefault.aspx
I need all the guidance I can get to going about making this happen. Thank you!