body {
  height: 100vh;
  overflow: hidden;
  display: grid;
  place-items: center;
}

.loader {
  width: fit-content;
  font-weight: bold;
  font-family: monospace;
  font-size: 30px;
  color: #0000;
  overflow: hidden;
  animation: loading 5s infinite cubic-bezier(0.3, 1, 0, 1);
}

.loader::before {
  content: "Loading...";
}

@keyframes loading {
  0% {
    text-shadow: 0 0 #000, 11ch 0 #8a9b0f, 22ch 0 #c02942, 33ch 0 #00a0b0,
      44ch 0 #000;
  }

  25% {
    text-shadow: -11ch 0 #000, 0ch 0 #8a9b0f, 11ch 0 #c02942, 22ch 0 #00a0b0,
      33ch 0 #000;
  }

  50% {
    text-shadow: -22ch 0 #000, -11ch 0 #8a9b0f, 0ch 0 #c02942, 11ch 0 #00a0b0,
      22ch 0 #000;
  }

  75% {
    text-shadow: -33ch 0 #000, -22ch 0 #8a9b0f, -11ch 0 #c02942, 0ch 0 #00a0b0,
      11ch 0 #000;
  }

  100% {
    text-shadow: -44ch 0 #000, -33ch 0 #8a9b0f, -22ch 0 #c02942, -11ch 0 #00a0b0,
      0ch 0 #000;
  }
}