body {
	margin:20px;
	font-size:75.0%;
}
h1 { font-size:250%; }

@media only screen and (max-width:1920px) {
	body {
		font-size:80.0%;
	}
	h1 { font-size:300%; }
}

@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:160%; }
}