style.css

/* Do not show subsubsections in menu: */

nav li li li {display: none !important; }

nav {
	display: inline-block;
    	text-align:center;
	margin: 0px auto;
}

nav ul {
	padding: 0;
	margin: 0 auto;
}

nav a {
	padding: 10px;
	background: #111;
	border-radius: 20px;
}

nav li {
	list-style: none;
	position: relative;
	float: left;
}

nav a {
	display: block;
	width: 100px;
}

nav ul ul {
	padding: 0px;
	margin: 0px;
	position: absolute;
	display: none;
}

nav li:hover ul {
	display: block;
}

nav li:hover a {
	background-color: #222;
}

nav li:hover a:hover {
	background-color: #333;
}

html {
	margin-top: 2.5em;
	padding-bottom: 20em;
	font-size: 100%;
	overflow-y: scroll;
	-webkit-text-size-adjust: 100%;
	-ms-text-size-adjust: 100%;
}


body {
	border-radius: 20px;
	font-family: Georgia, Palatino, 'Palatino Linotype', Times, 'Times New Roman', serif;
	font-size: 12px;
	line-height: 1.7;
	padding: .125em 1em 0.5em 1em;
	margin: auto;
	width: 1000px;
	font-size: 16px;
	color: #ddd;
	background: black;
}

a {
color: teal;
}

a:hover {
  color: lightblue;
}

a:active {
}

a:focus {
  outline: thin dotted;
}

*::-moz-selection {
  background: rgba(255, 255, 0, 0.3);
}

*::selection {
  background: rgba(255, 255, 0, 0.3);
}

a::-moz-selection {
  background: rgba(255, 255, 0, 0.3);
}

a::selection {
  background: rgba(255, 255, 0, 0.3);
}

p {
  margin: 1em 0;
}

img {
  max-width: 100%;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 100%;
  font-weight: normal;
}

h4, h5, h6 {
  font-weight: bold;
}

.title {
	font-size: 3.5em;
	text-align: center;
}

h1 {
	font-size: xx-large;
}

h1:after {
	content: " ";
	display: block;
	border: 1px solid white;
}

h2 {
  font-size: x-large;
}

h3 {
  font-size: 1.5em;
}

h4 {
  font-size: 1.2em;
}

h5 {
  font-size: 1em;
}

h6 {
  font-size: 0.9em;
}

blockquote {
  margin: 0;
  padding-left: 3em;
  border-left: 0.5em #EEE solid;
}

hr {
  display: block;
  height: 2px;
  border: 0;
  border-top: 1px solid #aaa;
  border-bottom: 1px solid #eee;
  margin: 1em 0;
  padding: 0;
}

pre, code, kbd, samp {
  font-family: monospace, monospace;
  _font-family: 'courier new', monospace;
  font-size: 0.98em;
}

pre {
  white-space: pre;
  white-space: pre-wrap;
  word-wrap: break-word;
}

b, strong {
  font-weight: bold;
}

dfn {
  font-style: italic;
}

ins {
  background: #ff9;
  text-decoration: none;
}

mark {
  background: #ff0;
  font-style: italic;
  font-weight: bold;
}

sub, sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}

sup {
  top: -0.5em;
}

sub {
  bottom: -0.25em;
}

ul, ol {
  margin: 1em 0;
  padding: 0 0 0 2em;
}

li p:last-child {
  margin-bottom: 0;
}

ul ul, ol ol {
  margin: .3em 0;
}

dl {
	padding: 0px;
	margin: 0px;
}

dd {
  	font-size: small;
}

dl dd:last-of-type {
	display: none;
}

dl:hover dd:last-of-type {
	display: block;
}