CSS Loading Animation

loading.css

/**
 * Loading Animation Snippet
 */

.loading {
  color: transparent;
  background: linear-gradient(100deg, #eceff1 30%, #f6f7f8 50%, #eceff1 70%);
  background-size: 400%;
  animation: loading 1.2s ease-in-out infinite;
}

@keyframes loading {
  0% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0 50%;
  }
}