html {
  font-size: 62.5%;
}

body {
  font-size: 1.6rem;
  margin: 0;
}

.loading {
  border: 16px solid #ccc;
  border-radius: 50%;
  border-top-color: rgb(126, 126, 230);
  width: 120px;
  height: 120px;
  animation: spin 2s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}