body {
  background-color: orange;
}

h1 {
  font-family: arial;
  font-size: 100px;
  color: white;
}

h1:hover {
  text-shadow: 0 0 10px #fff, 0 0 20px #fff, 0 0 30px #e60073, 0 0 40px #e60073, 0 0 50px #e60073, 0 0 60px #e60073, 0 0 70px #e60073;
}