img {
  width: 100%;
  min-width: 700px; 
  max-width: 1100px; 

  display: block;  
  margin: auto;   

  animation: fadeIn .9s ease-out forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}