:root {
	--soft-media-opacity: 0.75;
	--soft-media-transition-time: .5s;
	--soft-media-transition-timing-function: ease-in-out;
}

img, video {
	opacity: var(--soft-media-opacity);
	transition: opacity var(--soft-media-transition-time) var(--soft-media-transition-timing-function);
}
img:hover, video:hover {
	opacity: 1;
}