6.4.1.3 #Flex - Direction - col - sm .fld-sm-col
Sets display: flex and sets flex-direction of an element to column on sm.
Examples
Default styling
A div
B div
.fld-sm-col
Sets flex-direction to column on sm
A div
B div
Markup
<div class="[modifier class]"><div>A div</div><div>B div</div></div>
Source:
dist/full/full.css, line 4066