igna.rocks/assets/js/scss/effects/2d-transitions/_pop.scss

/* Pop */
@include keyframes(#{$nameSpace}-pop) {
	50% {
		@include prefixed(transform, scale(1.2));
	}
}

@mixin pop {
	@include hacks();

	&:hover,
	&:focus,
	&:active {
		@include prefixed(animation-name, #{$nameSpace}-pop);
		@include prefixed(animation-duration, $mediumDuration);
		@include prefixed(animation-timing-function, linear);
		@include prefixed(animation-iteration-count, 1);
	}
}