How to Change Widget Header Font Size and Padding on Sidebar
With the versatile theme installed on your blog, you can change the size and padding of the header fonts on the sidebar area.
To adjust font size, navigate to Appearance => Customize => Theme Settings => Sidebar Settings then move the slider range with the label “Widget Header Font Size“.

To adjust font padding, navigate to Appearance => Customize => Theme Settings => Sidebar Settings then move the slider range with the label “Widget Header Bar Padding“.

