@keyframes animatedBG
{
	from 
  {
     background-position: -100px -67px;
     opacity: 0;
  }
  30%
  {
     opacity: 1;
  }
	to
  {
     background-position: 0px -120px; 
  }
}
.banner
{
  background-image:url(forrest_1_2.jpg);
  animation: animatedBG 3s ease 1;
  background-position: 0px -120px;
}