@media screen and (max-width: 40em) {
	#drawing{
		width: 100%;
		height: auto;
	}
	#next{
		visibility: hidden;
	}
	#previous{
		visibility: hidden;
	}
}

@media screen and (min-width: 30em) {
	#drawing{
		width: auto;
		height: 500px;
	}
	
}

#next, #previous{
	cursor:pointer;
}