.dedocs-hidden {
  display: none;
}

.doc-header
{
  background: black;
  color: white;
  font-family: "Helvetica Neue", Helvetica, "Segoe UI", Arial, freesans, sans-serif;
  font-size: 18px;
  position: fixed;
  top: 0px;
  width: 100%;
  left: 0px;
  vertical-align: middle;
  padding: 10px;
  overflow-y: scroll;
  z-index: 1000;
  margin-bottom: 20px;
}

.markdown-body {
  margin-top: 20px;
}

.toc {
   position: fixed;
   left : 10px;
   top : 60px;
   font-family: "Helvetica Neue", Helvetica, "Segoe UI", Arial, freesans, sans-serif;
   font-size: 13px;
   max-width: 200px;
   overflow-y: scroll;
   overflow-x: hidden;
   background-color: rgba(255, 255, 255, 0.7);
   z-index: 999999;
}