.zmd-hierarchical-display {

visibility: hidden;
&.in {
  visibility: visible;
}

} .zmd-hierarchical-displaying {

visibility: visible;

}

.animation {

animation-duration: 1s;
animation-fill-mode: both;

}

.animation.zoomedIn, .animation.zoomedOut {

animation-timing-function: cubic-bezier(.55,0,.1,1); // "Swift Out" easing curve

}

@keyframes zoomedIn {

from {
  transform: scale(0);
}
to {
  transform: scale(1);
}

}

@keyframes zoomedOut {

from {
  transform: scale(1);
}
to {
  transform: scale(0);
}

}

.zoomedIn {

animation-name: zoomedIn;

}

.zoomedOut {

animation-name: zoomedOut;

}