live preview: here
01. Change style to PLAIN for TABULA RASA.
02. Go to "Advanced Customization".
03. At the bottom of the page, there's a section called: CHOOSE A PAGE SETUP, change the set-up to: 1 Column (modules at bottom; no sidebar).
04. Go to Modules. Uncheck everything except for: "NAVIGATION" and save changes.
05. Go to Custom CSS. Uncheck: Use Layout's Stylesheet(s) and paste the code below into the section called: 'USE EMBEDDED CSS'.
06. Comments and credit loved, but not required. Feel free to modify and re-distribute!
NOTE: Please disable custom comment pages! Thank you!