h1 {
  font-size: xx-large;
}
h2 {
  font-size: x-large;
}
h3 {
  font-size: large;
}
h4 {
  font-size: medium;
}

#TOC:before {
  content: "Table of contents";
  font-size: large;
}
#TOC {
  margin-top: 25px;
  margin-bottom: 50px;
  margin-right: 10%;
  margin-left: 10%;
  font-size: large;
  border-style: solid;
  border-width: thin;
  border-color: LightGray;
  padding: 10px;
}
#TOC ul {
  list-style-type: none;
}

.figure{
  margin-right: 10%;
  margin-left: 10%;
  margin-top: 25px;
  margin-bottom: 25px;
  font-size: small;
}

body:after {
  text-align: center;
  content: "All code in this document is licensed via the BSD 3-clause license.";
}