table.book-index {
  border-collapse: collapse;
  width: auto;
  table-layout: auto;
}

table.book-index td {
  border: none;
  padding: 0.5em;
  text-align: left;
}

table.chapter-index {
  border-collapse: collapse;
  width: 100%;
}

table.chapter-index td {
  border: none;
  padding: 2em; /* Optional, for spacing */
  vertical-align: top; /* Align content to the top */
}

table.chapter-index td:first-child {
  text-align: right;
  font-size: 1.5em;
}

table.navigation-bar {
  border-collapse: separate;
  border-spacing: 0;
  width: 100%;
  border: 1px solid black; /* Outer border */
}

table.navigation-bar td {
  border-left: none; /* Remove inner left borders */
  border-right: none; /* Remove inner right borders */
  padding: 0.5rem;
}

table.navigation-bar td:first-child {
  border-left: 1px solid black; /* Add left border to the first cell */
  text-align: left;
}

table.navigation-bar td:last-child {
  border-right: 1px solid black; /* Add right border to the last cell */
  text-align: right;
}

table.navigation-bar td:nth-child(2) {
  text-align: center;
}