div{
  list-style-position: inside;
  margin: 50px 0;
  padding: 0;
}
div a{
  position: relative;
  display: block;
  font-size: 19px;
  line-height: 1;
  color: #333;
  font-weight: bold;
  text-align: center;
  padding: 6px 30px 0px;
  letter-spacing: 0.08em;
}
div a{
  cursor: pointer;
  text-decoration: none;
}
div a span{
  letter-spacing: 0.08em;
  font-size: 11px;
  line-height: 1;
  color: #fff;
  display: block;
  margin: 5px 0 10px;
}
div a:hover:before{
  letter-spacing: 0.08em;
  content: "";
  display: block;
  position: absolute;
  background-color: #CCC;
  border-radius: 100%;
  top: 50%;
  left: 50%;
  margin: -40px 0 0 -40px;
  width: 80px;
  height: 80px;
  z-index: -2;
  animation: zoomIn 0.8s cubic-bezier(0.25, 1, 0.5, 1) 1 forwards;
}

@keyframes zoomIn {
  0% {
    transform: scale(0.8);
    opacity: 0;
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}