.slideOutDown {
  -webkit-animation-name: slideOutDown;
  animation-name: slideOutDown;
  -webkit-animation-duration: 1s;
  animation-duration: 1s;
  -webkit-animation-fill-mode: both;
  animation-fill-mode: both;
  }
  @-webkit-keyframes slideOutDown {
  0% {
  -webkit-transform: translateY(0);
  transform: translateY(0);
  }
  100% {
  visibility: hidden;
  -webkit-transform: translateY(100%);
  transform: translateY(100%);
  }
  }
  @keyframes slideOutDown {
  0% {
  -webkit-transform: translateY(0);
  transform: translateY(0);
  }
  100% {
  visibility: hidden;
  -webkit-transform: translateY(100%);
  transform: translateY(100%);
  }
  } 

  .flipInX {
  -webkit-backface-visibility: visible !important;
  backface-visibility: visible !important;
  -webkit-animation-name: flipInX;
  animation-name: flipInX;
  -webkit-animation-duration: 1s;
  animation-duration: 1s;
  -webkit-animation-fill-mode: both;
  animation-fill-mode: both;
  }
  @-webkit-keyframes flipInX {
  0% {
  -webkit-transform: perspective(400px) rotate3d(1, 0, 0, 90deg);
  transform: perspective(400px) rotate3d(1, 0, 0, 90deg);
  -webkit-transition-timing-function: ease-in;
  transition-timing-function: ease-in;
  opacity: 0;
  }
  40% {
  -webkit-transform: perspective(400px) rotate3d(1, 0, 0, -20deg);
  transform: perspective(400px) rotate3d(1, 0, 0, -20deg);
  -webkit-transition-timing-function: ease-in;
  transition-timing-function: ease-in;
  }
  60% {
  -webkit-transform: perspective(400px) rotate3d(1, 0, 0, 10deg);
  transform: perspective(400px) rotate3d(1, 0, 0, 10deg);
  opacity: 1;
  }
  80% {
  -webkit-transform: perspective(400px) rotate3d(1, 0, 0, -5deg);
  transform: perspective(400px) rotate3d(1, 0, 0, -5deg);
  }
  100% {
  -webkit-transform: perspective(400px);
  transform: perspective(400px);
  }
  }
  @keyframes flipInX {
  0% {
  -webkit-transform: perspective(400px) rotate3d(1, 0, 0, 90deg);
  transform: perspective(400px) rotate3d(1, 0, 0, 90deg);
  -webkit-transition-timing-function: ease-in;
  transition-timing-function: ease-in;
  opacity: 0;
  }
  40% {
  -webkit-transform: perspective(400px) rotate3d(1, 0, 0, -20deg);
  transform: perspective(400px) rotate3d(1, 0, 0, -20deg);
  -webkit-transition-timing-function: ease-in;
  transition-timing-function: ease-in;
  }
  60% {
  -webkit-transform: perspective(400px) rotate3d(1, 0, 0, 10deg);
  transform: perspective(400px) rotate3d(1, 0, 0, 10deg);
  opacity: 1;
  }
  80% {
  -webkit-transform: perspective(400px) rotate3d(1, 0, 0, -5deg);
  transform: perspective(400px) rotate3d(1, 0, 0, -5deg);
  }
  100% {
  -webkit-transform: perspective(400px);
  transform: perspective(400px);
  }
  }