$value-max: 20;
Set maximum unit value (Default of 20)
$base-spacing-unit: 0.5rem;
Set your unit increment size (Default 0.5rem)
.xs-p1.sm-p4
Add 1 unit of padding on xs
and 4 units of padding on sm
and bigger.
.xs-ml4.md-ml0.md-pt3
Margin left 4 units on xs
and above, margin left 0 (reset) on md
and above, padding top of 3 units on md
and above.
.xs-ml4.md-ml0.md-pt3
Text align left on 'xs' and above, text align right on 'md' and above.
'xs' : 0px,
'sm' : 767px,
'md' : 992px,
'lg' : 1200px
Ligament playground: http://codepen.io/spenser/pen/NNvgmW/
Be happy