body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
}

.topnav {
  overflow: hidden;
  background-color: #333;

}

.topnav a {
  float: left;
  color: #f2f2f2;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 17px;
}

.topnav a:hover {
  background-color: #ddd;
  color: black;
}

.topnav a.active {
  background-color: #4CAF50;
  color: white;

}

h2 {
	text-align: center;
	margin-top: 3em;
	margin-right: 1em;
/*	border-style: groove; */
	border-bottom: solid gray thin;
}

.center {
    margin: auto;
    width: 80%;
    /*border: 3px solid #73AD21;*/
    padding: 10px;
	font-size: large;
	font-weight: bold;
	line-height: 200%;
}


hr.style-five {
	width: 80%;
    border: 0;
    height: 0; /* Firefox... */
    box-shadow: 0 0 10px 1px black;
	  margin-top: 4em;
}
hr.style-five:after {  /* Not really supposed to work, but does */
    content: "\00a0";  /* Prevent margin collapse */
}