Nav
The site nav - will pull in any page with the page setting "Include in top nav". You can see it and rearrange top nav pages here:
#Nav Logo
The site's logo is displayed in the navbar on the left. You can configure it here:
Relevant Tags
nav_hide
The page tag nav_hide - which is currently applied to the Home page - hides the page from appearing in the navbar. We do this as the logo links the user back to the homepage.
nav_button
The page tag nav_button - which is currently applied to the Donate page - will style the nav link as a button.
target_blank
The page tag target_blank - which is currently applied to the IFEM redirect page - makes the link open in a new tab when the nav link is clicked.