.SceneTransition {
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    background: white;
    opacity: 0;
    animation: scene-transition-fade-in 0.1s forwards;
}
.SceneTransition.fade-out {
    animation: scene-transition-fade-out 0.1s forwards;
}

@keyframes scene-transition-fade-in {
    from {opacity: 0;}
    to {opacity: 1;}
}

@keyframes scene-transition-fade-out {
    from {opacity: 1;}
    to {opacity: 0;}
}