There are many places where you can change font related work such as fontname, font size, font style, font weight, line spacing, text transform etc. which we called as typography change. This is available in Pro version only.

1. Go to admin menu >> appearance >> customizer. >> typography

Below are the places where typography can be changed.

1. Site title and tagline : This allow to change font properties of
   1. Site title
   2. Tagline
2. Body Font : This allow to change font properties of
   1. Top header contact
   2. Menu
   3. Hotnews
   4. Cat/Date/Author of post
   5. Sidebar widget title
   6. Sidebar widget list
   7. Footer detail
3. Post title, section title : This allow to change font properties of
   1. Post title
   2. Section title
4. Description : This allow to change font properties of
   1. Excerpt
   2. Paragraph
   3. Single page description detail of post and page