app.css

.small-spacing {
  margin: 5;
}
 
.medium-spacing {
  margin: 10;
}
 
ListView {
  opacity: 0;
}
 
// Animations
.visible {
  animation-name: show;
  animation-duration: 1s;
}
 
@keyframes show {
  from { opacity: 0; }
  to { opacity: 1; }
}
 
.hide {
    animation-name: animate-hide;
    animation-duration: 2s;
    animation-fill-mode: forwards;
}
 
@keyframes animate-hide {
  from {  opacity: 1}
  to {  opacity: 0 }
}