body {
	background-image: url(https://news.usni.org/wp-content/uploads/2019/07/5333992.jpg);
	background-repeat: no-repeat;
	background-size: 1800px 900px;
 	margin-left: 100px;
  	margin-right: 100px;
 	margin-bottom: 50px;
  	margin-top: 50px;
}
h2 {
	padding: 100px;
	text-align: center;
	font-size: 50pt;
}
a:visited {
    color: blue;
}