*
{
	box-sizing: border-box;
}

#wrapper
{
	margin-left: auto;
	margin-right: auto;
	width: 650px;
	height: 650px;
}

body
{
	background-color: #BBBBBB;
}

header
{
	
	width: 700px;
	height: 40px;
	background-color: #00DDDD;
}

main
{
	padding-top: 20px;
	padding-left: 15px;
	width: 700px;
	height: 620px;
	background-color: #DDDDDD;
}

footer
{
	width: 700px;
	text-align: center;
	background-color: #00DDDD;

}