body {
  margin: 0;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: black;
  font-family: Arial, sans-serif;
}

.center {
  text-align: center;
}

a {
  color: white;
  font-size: 32px;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease-in-out;
}

a:hover {
  color: white;
  text-shadow: 0 0 10px white,
               0 0 20px white,
               0 0 30px white,
               0 0 40px white;
}