@keyframes imgMainFadeInOut {
    0% {
     opacity:0;
  }
  /* 45% {
  opacity:1;
  }
  55% {
  opacity:0;
  } */
  100% {
  opacity:1;
  }
  }
  
  #imgMain, .hero-section, .room-details-section {
  animation-name: imgMainFadeInOut;
  animation-timing-function: ease;
  animation-iteration-count: inherit;
  animation-duration: .8s;
  animation-direction: alternate;
  }