.animated-piece {
	animation-name: custom-button-animation-piece-animation;
	animation-duration: 2s;
	animation-direction: normal;
	animation-timing-function: linear;
	animation-fill-mode: forwards;
	animation-iteration-count: infinite;
}

@keyframes custom-button-animation-piece-animation {
	0%			{opacity: 0;}
	37.5%		{opacity: 1;}
	75%			{opacity: 0;}
	100%		{}
}