Review Page Formatting & Menu Setup

I need assistance with formatting a product review page on a 3-page site and setting up a navigation menu.

Requirements:
- Adjust an installed review plugin: Change and enlarge the font, while keeping the theme font (Lineal).
- Setup a navigation menu for easy access between pages.

Ideal Skills:
- Proficiency in WordPress and familiarity with review plugins.
- Strong design skills to adjust fonts without disrupting the theme.
- Experience in creating user-friendly navigation menus.