@keyframes FadeIn {
	
	  0% {
    opacity: 0; 
  }
  40% {
    opacity: 1;
  }
  60% {
    opacity: 1;
  }
  100% {
    opacity: 0;
	background:#F6FAFF;
  }

}

.pojawiajacy-sie-obrazek{
  animation-name: FadeIn;
  animation-duration: 10s; 
  animation-fill-mode: forwards; 
  }