/* short-hand properties */
div {
  background: 0px 0px / 12px;
  background: 25% 75% / cover;
  background: center / 50%;
  background: left / 3em;
  background: right / auto;
  background: top / contain;
  background: 0px 0px, center / 50% auto;
  background: 0px 0px, center / 3em 25%;
  font: 0.8em / normal;
  font: 12px / normal;
  font: 80% / normal;
  font: large / 34%;
  font: large / 3.5;
  font: large / 3em;
  font: larger / normal;
  font: 0.8em / 3.5;
  font: 12px / 3em;
  font: 80% / 34%;
  /* size | family */
  font: 2em "Open Sans", sans-serif;
  /* style | size | family */
  font: italic 2em "Open Sans", sans-serif;
  /* style | variant | weight | size/line-height | family */
  font: italic small-caps bolder 16px/3 cursive;
  /* The font used in system dialogs */
  font: message-box;
  grid-column: 1 / 3;
  grid-column: 2 / -1;
  grid-column: auto / auto;
  grid-column: span 3 / 6;
  grid-column: 5 somegridarea span / 2 span;
  grid-row: 1 / 3;
  grid-row: 2 / -1;
  grid-row: auto / auto;
  grid-row: span 3 / 6;
  grid-row: 5 somegridarea span / 2 span;
  /* shorthands */
  border-radius: 0 0 0 100% / 0 0 0 30px;
  border-radius: 0 / 2px;
  border-radius: 0 / 2px;
  border-radius: 1em / 0;
  border-radius: 0 0 0 100% / 0 0 0 30px;
  border-radius: 10px 5% / 20px;
  border-radius: 10px 5% / 20px 30px;
  border-radius: 10px 5px 2em / 20px 25px 30%;
  border-radius: 10px 5% / 20px 25em 30px 35em;
  /* these are not shorthands! (no unit on the divider) */
  border-radius: 0.5em;
  border-radius: 10px 2.5%;
  border-radius: 10px 2.5% 30px;
  /* these are shorthands with wrong values (lack of unit but more than 4 values if this is a division)*/
  border-radius: 10px 5px 2em / 20 25px 30%;
  border-radius: 10px 5% / 20 25em 30px 35em;
}