doc.css

body {
  background-color: #212529;
  font-family: 'Quicksand';
}
a {
  color: #B2B9C6; 
}
img {
  display: block;
  margin-left: auto;
  margin-right: auto;
  max-width: 80%;
}
h1 {
  color: #C6CDDA;
  font-size: 40px;
  font-weight: 400;
}
h2 {
  color: #C6CDDA;
  font-size: 22px;
}
h3 {
  color: #C6CDDA;
  font-size: 20px;
}
h4 {
  color: #C6CDDA;
  font-size: 18px;
}
h2:after
{
    content:' ';
    display:block;
    border:1px solid #C6CDDA;
}
li
{
  color: #C6CDDA;
  font-weight: 400;
}
p {
  color: #C6CDDA;
  font-weight: 400;
}
table {
  border:1px solid #C6CDDA;
  border-collapse: collapse;
}
th {
  color: #C6CDDA;
  font-weight: 800;
  text-align: center;
  border:1px solid #C6CDDA;
  padding-left: 5px;
  padding-right: 5px;
}
td {
  color: #C6CDDA;
  font-weight: 400;
  text-align: center;
  border:1px solid #C6CDDA;
  padding-left: 5px;
  padding-right: 5px;
}
.header img {
  float: left;
}

.header h1 {
  position: relative;
  top: 18px;
}

#toc
{
  background-color: #32363a;
  display: table;
  width: auto;
  padding: 10px; /* adjust as needed */
}
#toc div.h2 { margin-left: 0em }
#toc div.h3 { margin-left: 2em }
#toc div.h4 { margin-left: 4em }