.math {
  padding: 2px 4px;
  background-color: #f8f9fa;
  border-radius: 3px;
  overflow-x: auto;
}

.back-button {
  position: absolute;
  top: 20px;
  left: 20px;
}

@media (max-width: 768px) {
  .back-button {
    width: 96%;
    text-align: center;
    position: static;
    margin: 2%;
  }

  #toc {
    display: none;
  }
}

.table-of-contents {
  position: sticky;
  top: 10px;
  left: 0;
  height: fit-content;
  overflow-x: auto;
  display: block;
}

.table-of-contents a.active {
  color: var(--bs-heading-color);
}

.toc-h1 {
  font-size: 1.7rem;
  font-weight: bold;
}

.toc-h2 {
  font-weight: bold;
}

.toc-h3 {
  margin-right: 1.5rem;
}

.toc-h4 {
  margin-right: 3rem;
}

#content-container {
  margin: 0 1rem;
}

#main-container {
  width: 96%;
  margin: 0 2%;
}

.toc-item {
  margin-bottom: 0.5rem;
  list-style: none;
}

img {
  max-width: 35%;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

table {
  margin: 1rem 0;
  max-width: 60%;
  min-width: 30%;
  border-collapse: collapse;
  overflow-x: auto;
}

th,
td {
  padding: 0.5rem;
  text-align: left;
  border: 1px solid #ddd;
}

th {
  color: white;
}