body {
  background-color: black;
}

.fucker {
	animation: fucker .02s linear infinite;
	text-align: center;
	margin: auto;
	font-size: 72pt;
	color: #f00;
}

@keyframes fucker {
	0% {
		transform: rotate(0);
	}

	25% {
		transform: rotate(20deg);
	}

	50% {
		transform: rotate(0deg);
	}

	100% {
		transform: rotate(-20deg);
	}
}