rucksack-css/test/fixtures/laggard.css

A little bag of CSS superpowers

.opacity {
  opacity: .5;
}

.pseudo::after {
  display: block;
}

.rgba {
  background: rgba(153, 221, 153, 0.8);
  color: rgba(0, 0, 0, .4);
}

.vmin {
  width: 50vmin;
}

.pixrem {
  font-size: 2rem;
}

.willchange {
  will-change: transform;
}