This is a set of responsive spacing classes. Unfortunately, most spacing classes out there aren't responsive, so I threw this together modelled after bootstrap's media queries (mobile-first).
padding/margin + direction + amount + -screensize
pan-xs = "padding all none (at extra small screensize)"
pax-xs = "padding all extra small (at extra small screensize)"
pas-xs = "padding all small (at extra small screensize)"
pam-xs = "padding all medium (at extra small screensize)"
pal-xs = "padding all large (at extra small screensize)"
paxl-xs = "padding all extra large (at extra small screensize)"
Possible directions: all/top/right/bottom/left
Possible breakpoints: xs, sm, md, lg, xl
Padding top large at the extra small screensize, and padding top none at the medium screensize.
<div class="ptl-xs ptn-md">
</div>
Padding left none at the extra small screensize, and padding left medium at the small screensize.
<div class="pln-xs plm-sm">
</div>
Padding all large at the extra small screensize, and padding all extra large at the small screensize.
<div class="pal-xs paxl-sm">
</div>