Please see the new documentation for Kalatheme 3.0 on Github:
https://github.com/drupalprojects/kalatheme/wiki/Responsive-Toggling
Documentation below may be out of date for Kalatheme 3.0 install. Proceed at your own risk.

They say pictures are worth a thousand words and i've been typing a lot of words writing these docs so this will be almost entirely photo based.

  1. Make sure responsive toggling is on in your settings.

    2. responsive

  2. Then this

    3. step 1

  3. Then this

    4. step 2

  4. Then this

    5. step 3

  5. Then this

    6. step 4

  6. Then this

    7. step 5

  7. Then this

    8. step 6

  8. FIN!