/**************************
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;
	background: #fff;
	margin: auto;
	display: block;
}

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

nav{
background-color: beige;
	display: flex;
	align-items: baseline;
}
nav div{
	width: 120px;
	height: 120px;
	line-height: 120px;
	text-align: center;
	background-color: chocolate;
	font-size: 24px;
	font-weight: bold;
}
nav ul {
	list-style-type: none;
	display: flex;
	width: 100%;
}
li:last-of-type{
	margin-left: auto;
}

input{
	padding: 5px;
	margin-right: 5px;
}
nav ul li a{
	display: block;
	text-align: center;
	padding: 0 10px;
	border-left: 2px solid #666;
}

nav ul li:last-of-type a{
	border: none;
}
p, h2 {
	margin-bottom: 1em;
}

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

section {
	display: flex;
	background-color: aqua;
	justify-content: space-between;
}


article{
	background-color: bisque;
	width: 31.5%;
}

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

#one{
	display: flex;
	justify-content: space-between;
	background-color: aqua;
}

#one article{
	background-color: bisque;
	width: 31.5%;
}

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

#two{
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	background-color: #D5D5D5;
	padding: 20px;
}
#two h2{
	flex: 100%;
    text-align: center;
}
#two article{
	width: 48%;
}