In your WordPress Admin area, look down the left-hand column for “Responsive PRO > Settings”
In your WordPress Admin area, look down the left-hand column for “Responsive PRO > All Devices”
In your WordPress Admin area, look down the left-hand column for “Responsive PRO > Add Device”
You can edit any post or page and when you edit shortcode you can click to tab Responsive PRO
2 ways to use responsive settings for any elements: