body {
	background-color: lightblue;
}

h1{font-size:36px}h2{font-size:30px}h3{font-size:24px}h4{font-size:20px}h5{font-size:18px}h6{font-size:16px}.w3-serif{font-family:serif}
h1,h2,h3,h4,h5,h6{font-family:"Segoe UI",Arial,sans-serif;font-weight:400;margin:10px 0}.w3-wide{letter-spacing:4px} 
p1{font-size:15px;}
p2{font-size:20px;}
/* div
div {
	background-color: lightgrey;
	width: 300px;
	border: 1px solid green;
	padding: 50px;
	margin: 20px;
}
*/