se/SE/stuff/dita-ot-2.3.3/plugins/org.dita.html5/sass/_display-attr.scss

// @frame

.frame-top {
  border-top: solid 1px;
  border-right: 0;
  border-bottom: 0;
  border-left: 0;
}

.frame-bottom {
  border-top: 0;
  border-right: 0;
  border-bottom: solid 1px;
  border-left: 0;
}

.frame-topbot {
  border-top: solid 1px;
  border-right: 0;
  border-bottom: solid 1px;
  border-left: 0;
}

.frame-all {
  border: solid 1px;
}

.frame-sides {
  border-top: 0;
  border-left: solid 1px;
  border-right: solid 1px;
  border-bottom: 0;
}

.frame-none {
  border: 0;
}

// @scale

$scale: 50 60 70 80 90 100 110 120 140 160 180 200;

@each $value in $scale {
  .scale-#{$value} {
    font-size: unquote($value + '%');
  }
}

// @expanse

.expanse-page, .expanse-spread {
  width: 100%;
}