:root {
  --color-background: #000119;
  --stroke-width: calc(1em / 16);
  --font-size: 30vmin;
  --font-weight: 700;
  --letter-spacing: calc(1em / 8);
}

* {
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
}

body {
  background-color: #000119;
  background-color: var(--color-background);
  display: grid;
  font-family: Poppins, sans-serif;
  margin: 0;
  min-height: 100vh;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  justify-items: center;
  place-items: center;
  padding: 5vmin;
}

h1 {
  -webkit-background-clip: text;
          background-clip: text;
  background-image: -webkit-gradient(linear, left top, right top, from(#09f1b8), color-stop(#00a2ff), color-stop(#ff00d2), to(#fed90f));
  background-image: -o-linear-gradient(left, #09f1b8, #00a2ff, #ff00d2, #fed90f);
  background-image: linear-gradient(to right, #09f1b8, #00a2ff, #ff00d2, #fed90f);
  color: #000119;
  color: var(--color-background);
  font-size: 30vmin;
  font-size: var(--font-size);
  font-weight: 700;
  font-weight: var(--font-weight);
  letter-spacing: calc(1em / 8);
  letter-spacing: var(--letter-spacing);
  padding: calc(--stroke-width / 2);
  -webkit-text-stroke-color: transparent;
  -webkit-text-stroke-width: calc(1em / 16);
  -webkit-text-stroke-width: var(--stroke-width);
}