Spacing
Margin
mb-1 (margin-bottom: 12px;)
mb-2 (margin-bottom: 28px;)
mb-3 (margin-bottom: 48px;)
m-0 (margin: 0;)
mt-3 (margin-top: 48px;)
mt-2 (margin-top: 28px;)
mt-1 (margin-top: 16px;)
Padding
p-0 (padding: 0;)
pt-0 (padding-top: 0;)
pb-0 (padding-bottom: 0;)
Text
Color
text-primary
text-primary
text-dark
text-gray
Alignment
text-center
text-right
text-left
d-none
Font
font-heading
font-body
Other
Overflow
overflow-hidden
overflow-visible
Display
d-none
d-block
d-flex
Prevent Style Clean Up
sr-only
sr-only