* {

  background: grey;
}

#a {
  margin: 50px;
  color: white;
  font-size: 40px;
  transition: text-shadow 2s, margin 1s;
}

#a:hover{
  margin-top: 45px;
  margin-left: 45px;
  text-shadow: #000 1px 1px, #000 2px 2px, #000 3px 3px, #000 4px 4px, #000 5px 5px;}