body {
  margin: 0 auto;
  text-align: center;
  background-color: skyblue;
}

h1 {
  margin-top: 200px;
  font: 700 220px Helvetica;
  color: skyblue;
  letter-spacing: -20px;
  
  -webkit-animation: meow 2s infinite;
}

@-webkit-keyframes meow {
  0%  { text-shadow: 5px 5px black; }
  5% { text-shadow: 5px 5px black, 10px 10px black; }
  10% { text-shadow: 5px 5px black, 10px 10px black, 15px 15px black; }
  15% { text-shadow: 5px 5px black, 10px 10px black, 15px 15px black, 20px 20px black; }
  20% { text-shadow: 5px 5px black, 10px 10px black, 15px 15px black, 20px 20px black, 25px 25px black; }
  25% { text-shadow: 5px 5px black, 10px 10px black, 15px 15px black, 20px 20px black, 25px 25px black, 30px 30px black; }
  30% { text-shadow: 5px 5px black, 10px 10px black, 15px 15px black, 20px 20px black, 25px 25px black, 30px 30px black, 35px 35px black; }
  35% { text-shadow: 5px 5px black, 10px 10px black, 15px 15px black, 20px 20px black, 25px 25px black, 30px 30px black, 35px 35px black, 40px 40px black; }
  40% { text-shadow: 5px 5px black, 10px 10px black, 15px 15px black, 20px 20px black, 25px 25px black, 30px 30px black, 35px 35px black, 40px 40px black, 45px 45px black; }
  45% { text-shadow: 5px 5px black, 10px 10px black, 15px 15px black, 20px 20px black, 25px 25px black, 30px 30px black, 35px 35px black, 40px 40px black, 45px 45px black, 50px 50px black; }
  50% { color: white; text-shadow: 5px 5px black, 10px 10px black, 15px 15px black, 20px 20px black, 25px 25px black, 30px 30px black, 35px 35px black, 40px 40px black, 45px 45px black, 50px 50px black, 55px 55px black; }
  55% { text-shadow: 5px 5px black, 10px 10px black, 15px 15px black, 20px 20px black, 25px 25px black, 30px 30px black, 35px 35px black, 40px 40px black, 45px 45px black, 50px 50px black; }
  60% { text-shadow: 5px 5px black, 10px 10px black, 15px 15px black, 20px 20px black, 25px 25px black, 30px 30px black, 35px 35px black, 40px 40px black, 45px 45px black; }
  65% { text-shadow: 5px 5px black, 10px 10px black, 15px 15px black, 20px 20px black, 25px 25px black, 30px 30px black, 35px 35px black, 40px 40px black; }
  70% { text-shadow: 5px 5px black, 10px 10px black, 15px 15px black, 20px 20px black, 25px 25px black, 30px 30px black, 35px 35px black; }
  75% { text-shadow: 5px 5px black, 10px 10px black, 15px 15px black, 20px 20px black, 25px 25px black, 30px 30px black; }
  80% { text-shadow: 5px 5px black, 10px 10px black, 15px 15px black, 20px 20px black, 25px 25px black; }
  85% { text-shadow: 5px 5px black, 10px 10px black, 15px 15px black, 20px 20px black; }
  90% { text-shadow: 5px 5px black, 10px 10px black, 15px 15px black; }
  95% { text-shadow: 5px 5px black, 10px 10px black; }
  100% { text-shadow: 5px 5px black; }
}

text-shadow: 5px 5px black, 10px 10px white, 15px 15px black, 20px 20px white, 25px 25px black, 30px 18px white, 21px 21px black, 24px 24px white, 27px 27px black, 30px 30px white, 33px 33px black, 36px 36px white, 39px 39px black, 42px 42px white, 45px 45px black, 48px 48px white, 51px 51px black, 54px 54px white, 57px 57px black, 60px 60px white, 63px 63px black, 66px 66px white, 69px 69px black, 72px 72px white, 75px 75px black;