#my_quagga {
	width: 320px;
	height: 240px;
	margin: 5px;
	padding: 0px;
	position: relative;
	background-color: silver;
}

#my_quagga video {
	width: 100%;
	height: 100%;
	position: absolute;
	top: 0px;
	left: 0px;
}

#my_quagga canvas {
	width: 100%;
	height: 100%;
	position: absolute;
	top: 0px;
	left: 0px;
}