@keyframes flipOutY {

  from {

    transform: perspective(400px);

  }



  30% {

    transform: perspective(400px) rotate3d(0, 1, 0, -15deg);

    opacity: 1;

  }



  to {

    transform: perspective(400px) rotate3d(0, 1, 0, 90deg);

    opacity: 0;

  }

}



.flipOutY {

  animation-duration: 0.75s;

  backface-visibility: visible !important;

  animation-name: flipOutY;

}

