html,body {
	height:100%;
}
body {
	margin:0;
	padding:0;
	background:#ffa5a5;
}
.chest {
	width:500px;
	height:500px;
	margin:0 auto;
	position:relative;
}
.heart {
	position:absolute;
	z-index:2;
	background:linear-gradient(-90deg,#F50A45 0%,#d5093c 40%);
	animation:beat 0.7s ease 0s infinite normal;
}
.heart.center {
	background:linear-gradient(-45deg,#B80734 0%,#d5093c 40%);
}
.heart.top {
	z-index:3;
}
.sided {
	top:100px;
	width:220px;
	height:220px;
	border-radius:110px;
}
.center {
	width:210px;
	height:210px;
	bottom:100px;
	left:145px;
	transform:rotateZ(225deg);
}
.left {
	left:62px;
}
.right {
	right:62px;
}
@keyframes beat {
	0% {
	transform:scale(1) rotate(225deg);
	box-shadow:0 0 40px #d5093c;
}
50% {
	transform:scale(1.1) rotate(225deg);
	box-shadow:0 0 70px #d5093c;
}
100% {
	transform:scale(1) rotate(225deg);
	box-shadow:0 0 40px #d5093c;
}
}