#body-overlay {
  width: 100vw;
  height: 100vh;
  display: none;
  position: fixed;
  z-index: 3;
  top: 0;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999998;
}

.toc-button {
  visibility: visible;
  background-color:rgba(0, 0, 0, 0.1);
  width: 10px;
  border: none;
  margin: 0;
  padding: 0;
  height: 100%;
  position: fixed;
  top: 0;
  z-index: 9999999;
  font-size: 20px;
}

body.toc-open {
  left: 0;
  overflow: hidden;
  position: fixed;
  right: 0;
  width: 100%;
}

body.toc-open #body-overlay {
  display: block;
}

body.toc-open .toc {
  height: auto;
  max-height: none;
  top: 0;
}

body.toc-open .toc.toc-left {
  transform: translateX(0);
}