body {
  margin-top: 5%;
  margin-left: 5%;
  margin-right: 5%;
  margin-bottom: 5%;
  font-family: sans-serif;
  background-color: #333333;
  color: #ffffff;
}

h1 {
  font-family: sans-serif;
  font-weight: bold;
  font-size: 48px;
  color: #ffffff;
  background-color: #000000;
  text-align: left;
}

h2 {
  line-height: 110%;
  font-family: sans-serif;
  color: #ff0000; 
}

h3, h4, h5, h6 {
  font-family: sans-serif;
  color: #ff0000; 
}

ul {
  list-style-type: square;
}

div#signiture {
  margin-right: 40px;
  margin-bottom: 10px;
  float: left;
  clear: left;
}

div.description h2 {
  margin-left: 20px;
}

div.description p {
  margin-left: 20px;
}

div.figures {
  font-size: smaller;
  margin-right: 15px;
  color: #ffcc00;
}

div.footer p {
  text-align: right;
  font-size: smaller;
}

div.main {
  text-align: justify;
}

p.reference {
  color: #cccccc;
  font-size: smaller;
}

p.sample {
  margin-left: 40px;
  color: #cccccc;
  font-size: smaller;
}

a:link { 
  color: #ffff00; 
}

a:visited { 
  color: #ffcc00; 
}

a:active { 
  color: #ff0000; 
}