misskey/src/client/app/init.css

/**
 * Boot screen style
 */

@charset 'utf-8';

html {
	font-family: sans-serif;
}

body > noscript {
	position: fixed;
	z-index: 2;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	text-align: center;
	background: #fff;
}
	body > noscript > p {
		display: block;
		margin: 32px;
		font-size: 2em;
		color: #555;
	}

#ini {
	position: fixed;
	z-index: 1;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	text-align: center;
	background: #fff;
	cursor: wait;
}
	#ini > p {
		display: block;
		user-select: none;
		margin: 32px;
		font-size: 4em;
		color: #555;
	}
		#ini > p > span {
			animation: ini 1.4s infinite ease-in-out both;
		}
		#ini > p > span:nth-child(1) {
			animation-delay: 0s;
		}
		#ini > p > span:nth-child(2) {
			animation-delay: 0.16s;
		}
		#ini > p > span:nth-child(3) {
			animation-delay: 0.32s;
		}

@keyframes ini {
	0%, 80%, 100% {
		opacity: 1;
	}
	40% {
		opacity: 0;
	}
}