.fade1.out {
  opacity: 0;
}

.fade1 {
  transition: opacity 1s ease-in-out;
  -webkit-transition: opacity 1s ease-in-out;
  -moz-transition: opacity 1s ease-in-out;
  -ms-transition: opacity 1s ease-in-out;
  -o-transition: opacity 1s ease-in-out;
  opacity: 1;
}