UX areas of the main page specific variables

Defines UX areas of the main page specific variables

$gbc-MainContainerWidget-icon-size

Defines the ChromeBar and SideBar font size for icons

Type: size

Default value: "20px"

Computed value: "20px"

$gbc-MainContainerWidget-z-index

z-index for MainContainer

Type: number

Default value: $z-index-under-Dialog

Computed value: "39"