<h1>Kaboom</h1>

html, body {
  height: 100%;
  background-image: url('https://s3-us-west-2.amazonaws.com/s.cdpn.io/209981/kaboom-night.jpg');
  background-size: cover;

}

h1 {
  display: flex;
  align-items: center;
  justify-content: center;
  align-content: center;
  height: 100%;
  width: 100%;
  margin: 0;
  font-size: 20vw;
  font-family: 'Luckiest Guy', cursive;
  background: black;
  color: white;
  letter-spacing: 0.625rem;
  mix-blend-mode: multiply;
  text-shadow: 3px 3px 3px rgba(0, 0, 0, 1), 2px 2px 40px rgba(255, 255, 255, 0.7);
}