golang-saas-starter-kit/cmd/web-app/static/assets/scss/utilities/_animation.scss

// Animation Utilities

// Grow In Animation

@keyframes growIn {
  0% {
    transform: scale(0.9);
    opacity: 0;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.animated--grow-in {
  animation-name: growIn;
  animation-duration: 200ms;
  animation-timing-function: transform cubic-bezier(.18,1.25,.4,1), opacity cubic-bezier(0,1,.4,1);
}

// Fade In Animation

@keyframes fadeIn {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

.animated--fade-in {
  animation-name: fadeIn;
  animation-duration: 200ms;
  animation-timing-function: opacity cubic-bezier(0,1,.4,1);
}