body {
  font-family: helvetica, sans;
  padding: 40px;
  width: 960px;
  margin: auto;
}

.titlepage {
  text-align: center;
}

.titlepage h1, .titlepage h2 {
  color: #000;
}

hr {
  width: 80%;
  height: 2px;
  background-color: #777;
  border: #777;
}

body > h2 {
  border-top: 5px #ccc solid;
  border-bottom: 1px #ddd solid;
  background-color: #eee;
  padding-left: 5px;
  text-shadow: 1px 1px 0px #fff;
}

h3 {
  color: #000;
}

h4, h5 {
  color: #55a;
}

.figure {
  width: 70%;
  text-align: center;
  padding: 20px;
  border: 5px #ccc solid;
  margin: auto;
  margin-top: 40px;
  margin-bottom: 40px;
}

.figcaption {
  text-align: left;
  padding-top: 20px;
}

.figtitle {
  font-weight: bold;
  text-align: center;
}


.code
{
  font-family: monospace;
  border: #ccc solid 1px;
  background-color: #eef;
  padding:5px;
  margin: 20px;
  text-align: left;
  overflow: auto;
}


/* use consistent line spacing for sub and sup */
sup,
sub {
  height: 0;
  line-height: 1;
  vertical-align: baseline;
  _vertical-align: bottom;
  position: relative;	
}

sup {
  bottom: 1ex;
}

sub {
  top: .5ex;
}


/* ========================================================================= 
 * links 
 */

a:active
{
  text-decoration:none;
  color: #0000FF;
}

a:visited
{
  text-decoration:none;
  color: #007;
}

a:link
{
  text-decoration:none;
  color: #007;
}

a:hover
{
  text-decoration: underline;
  color: #500;
}