Участник:VTCobaltblood/Test.css

@keyframes a {
  from: { transform:scale(1.0, 1.0); }
  to: { transform: scale(300.0, 300.0); }
}

tup {
   animation-name: a;
   animation-duration: 10s;
   animation-play-state: paused;
}

.tup:hover {
   animation-play-state: running;
}

.card {
  width: 350px;
  height: 475px;
  text-align: center;
  display: inline-block;
  background-color: gainsboro;
}

.card-title {
  width: auto;
  display: block;
  height: 32px;
  background-color: deepPink;
  text-align: center;
  font-weight: bold;
  font-size: 24px;
  border-padding: 10px;
}