/**************************
RESET to ensure user agent padding and 
margin on elements do not affect layout.

Note this reset is not appropriate for
production websites.
***************************/

* {margin: 0; padding: 0;}

body {
	font-family: Arial;
	color:#333;
	background-color: #E2E2E2;
}

main {
	width: 1000px;
	padding: 20px;
	display: block; /*for ie 11 & 10*/
	background: #fff;
	margin: auto;
}

header {
	padding: 50px 0;
	background-color: azure;
	text-align: center;
}

p, h2 {
	margin-bottom: 1em;
}

footer{
	background-color: azure;
	padding: 50px;
	text-align: center;
}

section {
	display: flex;
	padding: 20px;
	background-color: aqua;
}
article {
	padding: 20px;
	background-color: bisque;
}

article:nth-child(2) {
	background-color: beige;
}