<a href="#">リンク</a>

body {
  padding: 20px;
  text-align: center;
}
a {
  width: 50%;
  line-height: 100px;
  display: inline-block;
  text-align: center;
  box-shadow: 0 0 3px 0 rgba(0,0,0,.12), 0 2px 3px 0 rgba(0,0,0,.22);
  transition: .3s;
}
a:hover {
  box-shadow: 0 15px 30px -5px rgba(0,0,0,.15), 0 0 5px rgba(0,0,0,.1);
  transform: translateY(-4px);
}