* {
    font-family: 'IBM Plex sans-serif', 'Arial', sans-serif;
}

body {
    color : black;
}

body a{
    color: #339;
}

body a:visited{
    color: #006;
}

h1, h1 a, h1 a:visited, h2, h2 a, h2 a:visited, h3 a, h3 a:visited {
  font-family: 'Raleway', 'IBM Plex sans-serif', 'Arial', sans-serif;
  font-weight: bold;
  text-decoration: none;
  text-indent: 0px;
}

h1 {
  font-size: 28pt;
  color: black;
  text-align: center;
}

h2, h2 a, h2 a:visited {
  color: #369;
}

h3, h3 a, h3 a:visited {
  color: #369;
}

.nav {
    list-style: none;
    margin: 0;
    padding: 0;
    text-align: center;
}

.nav li {
    display:inline;
}

.nav a {
  font-family: 'Raleway', 'IBM Plex sans-serif', 'Arial', sans-serif;
  color: black;
  height: 50px;
  line-height: 50px;
  padding: 0px 15px 0px 15px;
  text-align: center;
  text-decoration: none;
}

.nav a:visited {
  color: black;
}

.nav a:hover {
  color: gray;
}

div.content {
  line-height: 1.3;
  text-indent: 20px;
  height: 100%;
  width: auto;
  max-width: 50em;
  margin: auto;
  text-align: justify;
}

li {
  text-indent: 0px;
}

table {
	margin: auto;
}

table, th, td {
	border: 1px solid #808080;
	padding: 0.3em;
	border-collapse: collapse;
}

th {
	font-weight: bold;
}

td.values {
	text-align: right;
}

.equation {
    font-family:'Courier New', Courier, monospace;
}