body{
	width: 800px;
	display: block;
	margin: auto;
	background-color: #eaf6ff;
}
h1{
	font-size: 2.5rem;
}
section#fixed-size-grid-items li{
	margin: 10px;
	list-style: none;
	display: inline-block;
	font-size: 0.8rem;
	vertical-align: top;
}
section#stretchable-grid-items li{
	list-style: none;
	display: inline-block;
	vertical-align: top;
	width: 25%;
}
section#fixed-size-grid-items aside{
	width: 170px;
}
section#stretchable-grid-items aside{
	margin: 10%;
}
ul{
	padding-left: 0px;
	margin-left: -10px;
	margin-right: -10px;
	margin-top: 1rem;
	margin-bottom: 1rem;
}
@media(min-width: 800px){
	body{
		width: 90vw;
	}
}
@media(max-width: 640px){
	body{
		background-color: white;
	}
	h1{
		font-size: 2rem;
	}
	section#stretchable-grid-items li{
		width: 50%;
	}
}
@media(max-width: 500px){
	h1{
		font-size: 1.5rem;
	}
}
@media(max-width: 480px){
	section#stretchable-grid-items li{
		width: 100%
	}
}