Demos: Nav menu active style tweak.
Demos: Global nav menu structure.
Demos: Removed script for old global search input.
Demos: Clean up page linking demo.
Indentation
Demos: Content custom style tweaks.
Demos: Prevent transitions on global navmenu panel at wide screens.
Demos: Global navmenu changes.
Demos: Header style changes.
Demos: Global navmenu style.
Demos: Added style for pages without global navmenu.