@view-transition {
    navigation: auto;
}
.photo-transition {
    view-transition-name: photo-transition;
}

/* Old stuff going out */
::view-transition-old(photo-transition) {
    animation: fade 0.75s ease-in forwards;
}

/* New stuff coming in */
::view-transition-new(photo-transition) {
    animation: fade 0.75s ease-out reverse;
}
@keyframes fade {
    from {
	opacity: 1;
    }
    to {
	opacity: 0;
    }
}