.myPlayerA {
		width:100%;
		height:80vh; 
}

@media only screen and (max-width: 768px) {
		.myPlayerA {
			width:400px;
			height:200px;
		}
}

@media only screen and (max-width: 479px) {
		.myPlayerA {
			width:100px;
			height:50px;
		}
}