I have looked at other questions and the bootstrap documentation and cant seem to find out what these classes do to elements. Any help is appreciated! Im just trying to make my search bar be 1/4th the size on a large viewport, 1/3 the size on a medium viewport, and 100% the size on a small viewport!
Those are bootstrap spacing utilities classes :
mr-sm-2
:
r - for classes that set
margin-right
orpadding-right
my-2
, my-lg-0
:
y - for classes that set both
*-top
and*-bottom
the m
m - for classes that set margin
you can see the notation from boostrap spacing here
sm
and lg
are utilities classes that everyone who uses bootstrap are use to see it:
sm
- small
lg
- large
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