blink on hover

by Felis Catus

HTML

<div class="test">

</div>

SCSS

.test {
  transition: box-shadow 1s cubic-bezier(.6,-10060,.4,-10500);
  opacity: 1;
  width: 200px;
  height: 200px;
  box-shadow: 0 0 0 0.001px red inset;
  &:hover {
    box-shadow: 0 0 0 0.003px red inset;
    transition: box-shadow 1s cubic-bezier(.5,10050,.5,10050);
  }
}