Practice Yourself - CSS Animations

Code Editor css

@keyframes slideIn {
  from {
    transform: translateX(-100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.animated-box {
  animation: slideIn 0.5s ease-out;
  padding: 20px;
  background: #3498db;
  color: white;
}

Result