- Humanist Serif good for Journalism or Historical
- Transitional Sefir good for Traditional Acedamia and Legal
- Modern Serif good for Arts and Culture
- Eqyption (Slab Serif) good for Marketing and Promotional
- Humanist Sans-Serif good for Government or Educational
- Traditional Sans-Serif good for Technology or Transportation
- Geometric Sans Serif good for Science or Architecture
General rule when mixing, either don't change the font at all, or change it a lot. This avoids fonts 'clashing' due to being too similar. A serif font paired with a sans serif font usually creates a very complementary difference in look and style.
Good leading is about 120-150% of the body size. So line-height: 1.5;
50-70 CPL for desktop 40-45 CPL for mobile
To acheive this you would lower the font-size for mobile.
For the headline, use 200-300% of body size.
For the subheader, use 150% of the body size.
The navigation text should be the same as the body text size.
For the body, 16pt is usually a good starting point.
For the byline, use 75% (or 2-4px smaller) of the body size.