html,
body {
  font-family: 'Roboto', 'Inter', sans-serif;
}

.container {
  max-width: 37.5rem;
  padding: 0 2rem;
  margin-left: auto;
  margin-right: auto;
}

h1 {
  font-size: 4rem;
}

.rainbow {
  font-family: monospace;
  letter-spacing: 5px;
  background: linear-gradient(to right, #6666ff, #0099ff, #00ff00, #ff3399, #6666ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: rainbow_animation 6s ease-in-out infinite;
  background-size: 400% 100%;
}

@keyframes rainbow_animation {
  0%,
  100% {
    background-position: 0 0;
  }

  50% {
    background-position: 100% 0;
  }
}