Source: dist/css/library_boot.css, line 8430
10.3.3.6 Inset Level_up
The list of classes used on the body tag
Example
inset-level_up bg_white-7 br_radius br_solid br_1 br_black-2
NOTE:
Combination of classes used as a common decorators.inset-level_up bg_white-7 br_radius br_solid br_1 br_black-2