Inconsistent Sidebar Styles

[nathanallen]

• All titles in the sidebar should have monospace style font
• All bullets should be unfilled circles.

Screenshot:

#### Steps to reproduce: 1. as admin login and create at least one article 2. proceed to localhost:3000 and view the article 3. on the right side observe the font for Archives differs from the other headers 4. on the right side observe that the bullet points under archives are filled circles #### Expected behavior: 1. Archives font should be monotype 2. Archives bullets should use unfilled-circle