Pounding heart animation

dabblet.css

/* Pounding heart animation */
@keyframes pound {
	from { transform: scale (.92); }	
	22% { transform: scale(1.07); }
	32% { transform: scale(1);}
	42% { transform: scale(1.07); }
	to { transform: scale(1); }
	}

.heart {
	display: inline-block;
	font-size: 70px;
	color: #e00;
	animation: pound 1.5s infinite;
	animation-timing-function: ease-in-out;
	transform-origin: center;
}

body { text-align: center; }

dabblet.html

<div class="heart">&#x2665;</div>

dabblet.js

// alert('Hello world!');

settings.json

{"view":"split","fontsize":"100","seethrough":"","prefixfree":"1","page":"all"}