<h1>Lights Out</h1>

h1 {
  color: #FFF;
  text-shadow: 0 0 0.033em #fff, 0 0 0.08em #fff, 0 0 0.1em #7a27ff, 0 0 0.2em #7a27ff, 0 0 0.3em #7a27ff, 0 0 1em #7a27ff, 0 0 1.5em #7a27ff;
  font-size: 5rem;
}

body {
  height:100%;
  min-height: 100vh;
  background-color: #001e2f;
  display:flex;
  justify-content: center;
  align-items: center;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto',
    'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
    sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol';
}