.box(@position: absolute) {
  position: @position;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
}

.cssStyle-tag() {
  padding: 0.2em 0.6em 0.2em;
  font-size: 75%;
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  vertical-align: baseline;
  border-radius: 0.5rem;
  font-weight: bold;
  cursor: pointer;
}