body {
	margin:20px;
	font-size: 75.0%;
}
h1 { font-size: 90%;}

@media only screen and (max-width: 1920px) {
	body {
		font-size: 80.0%;
	}
	h1 { font-size: 160%;}
}

@media only screen and (max-width: 768px) {
	body {
		font-size: 100.0%;
	}
	h1 { font-size: 180%;}
}
  
  @media only screen and (max-width: 320px) {
	body {
	  font-size: 110.0%;
	}
	h1 { font-size: 200%;}
}