Headings and their heading tags are important, because they add a clear structure to the web page, both visually and for text readers.
They are also important for effective search engine optimisation (SEO).
Be aware, that the below are just examples, how headings can look.
Of course any font, size, colour, and other style of your headings can be changed globally to fit your exact design requirements via the template style settings.
Section Heading (p)
Secondary Text
This is the secondary text