Source: dist/css/library_boot.css, line 6777
6.2.4 Content Filler
This is a styleguide only element to show structure edges.
Example
Default styling
Layout Zone:
<div class="h_30 c_accent-n4 font_xbold font_3 br_accent bg_accent-5 br_dashed br_1 m_3 p_5 grid items_center justify_center">Layout Zone: </div>