body{
	max-width:650px;
	margin:40px auto;
	padding:0 10px;
	font:18px/1.5-apple-system,BlinkMacSystemFont,"avenir next",avenir,"Segoe UI","lucida grande","helvetica neue",helvetica,"Fira Sans",roboto,noto,"Droid Sans",cantarell,oxygen,ubuntu,"franklin gothic medium","century gothic","Liberation Sans",sans-serif;
	color:#444
}
h1,h2,h3{
	line-height:1.2
}