style.css

body {
	margin: 0;
	cursor: crosshair;
}

#container {
	background-color: blue;
	background-image: url(http://vignette2.wikia.nocookie.net/spongebobfanon/images/e/e8/1000x1000.jpg/revision/latest?cb=20140621172935);
	background-size: cover;
	height: 100vh;
	width: 100vw;
	overflow: hidden;
	position: relative;
}

.food {
	background-image: url(img/food.png);
	background-size: contain;
	background-repeat: no-repeat;
	background-position: center;
	height: 40px;
	width: 30px;
	position: absolute;
	transform: translate(-50%,-50%);
	transition: all .1s ease;
	transform-origin: center center;
}

.food.being-eaten {
	transform: rotateZ(30deg) scale(1.1) translate(-50%,-50%);
}

#fish {
	height: 50px;
	width: auto;
	position: absolute;
	transition: all .3s linear, height 500ms cubic-bezier(0.29, 30.3, 0.01, 2.51);
	transform-origin: center left;
	transform: translateY(-50%);
}