#loader {
  height: 300px;
  border: 1px solid #dedede;
  height: 100%;
  width: 100%; 
}

.fade-out {
  opacity: 1;
}

.fade-out-x {
  opacity: 0;
  transition: opacity 0.2s ease-out;
}


.fade-in-x {
  transition: opacity 0.2s linear;
  @starting-style {
    opacity: 0;
  }
}