ember-float-label/addon/styles/addon.css

Animated float labels for your Ember app

.float-label .float-label-text {
  position: relative;
  opacity: 0;
  -webkit-transform: translate3d(0, 10px, 0);
  transform: translate3d(0, 10px, 0);
  -webkit-transition: -webkit-transform 150ms ease-out, opacity 150ms ease-out;
  transition: transform 150ms ease-out, opacity 150ms ease-out;
}

.float-label.has-value .float-label-text {
  opacity: 1;
  -webkit-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0);
}