Site-level preferences are located in System.DefaultPreferences, however this Main.SitePreferences prefs topic has override priority and should be used for local customisations. This allows for easier upgrades as you don't need to worry about the shipped preferences clobbering yours. It's easier to keep a handle on if you only copy over the settings you actually change.
FINALPREFERENCES locks site-level preferences that are not allowed to be overridden by WebPreferences or user preferences:
Variables & Helpers
#Set BROADCASTMESSAGE = Mark your calendars now for next year's Foswiki General Assembly: 8th April 2017, 11:00 UTC
#Set BROADCASTMESSAGE = Foswiki.org is now running Foswiki 2.1.3 RC1 Please open a task for any issues.
#Set BROADCASTMESSAGE = If you cannot get logged in, clear your cookies for foswiki.org and retry. The Foswiki Cookie Domain has been changed.
#Set BROADCASTMESSAGE = Foswiki General Assembly will be held on 7th April 2017 at 1100 UTC. Channel #foswiki-association See AgendaEighthGeneralAssembly
Set BROADCASTMESSAGE = New Foswiki release 2.1.6 is available with important security fixes. Sourceforge foswiki email lists being discontinued. Subscribe to the new Foswiki announce and discuss lists at MailingLists
This page is marked for deletion. Possible reason: this page does not contribute to the development of Foswiki software. Please note that this site is not an open collaboration platform to work on other projects - use a public wiki instead or download Foswiki for private use. If you just want to test Foswiki, visit the Sandbox web.
Set UXMASCOT =
This is disabled globally and only enabled on a per topic decision.
Set CACHEABLE = off
Foswiki 2.0 Skin Settings
"fo" skin overlay adds a closable broadcast message.
Set SKIN = sidetoggle,fo,natedit,pattern
Global skin styles. To change the look of the site, point these variables to custom CSS attachments.
Set FOSWIKI_LAYOUT_URL = /pub/System/PatternSkinTheme/layout.css
Set FOSWIKI_STYLE_URL = /pub/System/PatternSkinTheme/style.css
Set FOSWIKI_COLORS_URL = /pub/System/PatternSkinTheme/colors.css
Themes that add upon the global skin styles. See the Theme Browser in PatternSkin.