misskey/packages/backend/src/server/web/style.css

html {
	background-color: var(--bg);
	color: var(--fg);
}

#splash {
	position: fixed;
	z-index: 10000;
	top: 0;
	left: 0;
	width: 100vw;
	height: 100vh;
	cursor: wait;
	background-color: var(--bg);
	opacity: 1;
	transition: opacity 0.5s ease;
}

#splash > img {
	position: absolute;
	top: 0;
	right: 0;
	bottom: 0;
	left: 0;
	margin: auto;
	width: 64px;
	height: 64px;
	pointer-events: none;
}