webpack-bootstrap-ui-kit/src/scss/_animations.scss

// pulse

@keyframes pulse {
	0% {
		transform: scale(1);
	}

	50% {
		transform: scale(0.8);
	}

	100% {
		transform: scale(1);
	}
}

@keyframes fade {
	0% {
		opacity: 1;
	}

	50% {
		opacity: 0.5;
	}

	100% {
		opacity: 1;
	}
}