Once you have chosen your theme, you can modify your design by changing accent colors and font styles for headers. These changes are made on the Design Options page, below the Theme selection.
- Go to Appearance > Design Options
- Navigation accent color: Change the accent color of the main navigation.
Navigation Color Carbon 
Blue Medium 
Yale Blue 
Orange 
Green 
- Navigation heading font: Select one of the font options for the typeface of the Main Menu
Navigation Style 
Serif 
Sans-Serif 
Condensed - Sidebar heading font: Change the font of sidebar headings
Style Sidebar Heading Serif 
Sans-Serif 
Condensed 
- Sidebar accent color: Change the border color of sidebar block headings
Color Sidebar Carbon 
Blue Medium 
Yale Blue 
Orange 
Green 
- Sidebar style: Choose between outline and shaded background