body
{
	background-color:silver;
}
section
{
text-align: center;
}
article
{
text-align: center;
}
h1
{
	font-size: 30px;
	color: Dark;
	border: 4px solid black;
	text-align: center;
	background-color:gray;

}
h2
{
    font-size: 20px;
	color: dark;
	border: 2px solid black;
	text-align: center;
	background-color:gray;

}
h3
{
       font-size: 20px;
	color: dark;
	border: 2px solid black;
	text-align: center;
	background-color:gray;


}
footer
{
	text-align: center;
	border: 7px solid black;
}