The Base Styles > Headings section contains settings which control the styling of heading elements. Heading elements consist of the following HTML tags H1, H2, H3, H4, H5 and H6.
Some headings styles will be overridden by more specific settings, such as the Entry Title which can be changed from the Single Post / Page > Entry section.
The Text color setting controls the default color for heading element text.
The Typography setting controls the default font styling for heading elements.
There are 2 font size settings for each heading element from H1 to H6. The Mobile field controls the font size for mobile devices and the Desktop field controls the size for desktop devices.