テンプレート:出ずる/style.css

.hov {
  color: white;
}
.hovound {
  color: black;
}
.hov:hover {
  color: black;
}
.hovound:hover {
  animation: bound .3s ease infinite alternate;
}
@keyframes bound {
  0% {transform: translateY(25px);}
  100% {transform: translateY(-25px);}
}