// Text and other inline elements
// default hr is just a single line 1px high, feel free to override
hr {
  @include margin(h auto, b 1, t 0);
  display: block;
  width: 90%;
  border: 0;
  border-bottom: 1px solid currentColor;
}

pre,
p {
  @include margin(a 0, b 1);
}

sub,
sup {
  position: relative;
  vertical-align: baseline;
  font-size: 75%;
  line-height: 0;
}

sub {
  bottom: -0.25em;
}

sup {
  top: -0.5em;
}