.animation {
  -webkit-transition: 0.7s;
  transition: 0.7s;
}
.animation.ng-enter {
  opacity: 0;
}

.animation.ng-enter.ng-enter-active {
  opacity: 1;
}

.animation.ng-leave {
  opacity: 1;
}

.animation.ng-leave.ng-leave-active {
  opacity: 0;
}

.animation.ng-move {
  background: gold;
}

.animation.ng-move-active {
  background: #fff;
}