header { 
	background-color: #0A0;
	text-align: center;
	padding:10px;
	margin:20px;
}
article {
	margin-bottom: 20px;
	background-color: #ddd;
	margin-left: 20%;
	margin-right: 20%;
	padding: 10px;
}

articleheader h2{
	
	text-align: center;
}

articlebody div{
	padding : 10px;
	background-color: #fff;
}

.fitButton{
	color:white;
	text-align: center;
	background:black;
	width:75px;
	height: 25px;
	border: 3px solid grey;
	padding: 10px;
}

.fitButton:hover{
	background:#0A0;
}