This is a premium feature available with the Astra Pro Addon plugin. To use these Pro features, you need to have the Astra theme along with the Astra Pro Addon installed on your website.
You can manage the spacing using the Spacing module available with Astra Pro. Please refer document, to begin with, the Spacing module.
Make sure you have activated the Colors & Background and Spacing modules by navigating to Astra from your WordPress dashboard.
You can find settings under Appearance > Customize > Sidebar and navigate to the Design Tab.
Below are the available options-
Sidebar Outside Space
This will add space around the widgets in the sidebar.
- The top spacing value will add a margin at the top.
- The bottom spacing value will add a bottom margin for the whole sidebar as well as the bottom margin for individual widgets inside the sidebar.
- The left and Right spaces will add padding to the left and right sides of the whole sidebar.
Sidebar Inside Space
It will add padding to the individual widget from all sides.