.page-node-type-book .page-wrapper,
.page-node-type-book .main-content__container.container {
  max-width: none;
}

.page-node-type-book .main-content {
  width: 100%;
  margin-inline: 0;
}

.page-node-type-book .region--content > * {
  grid-column: 1 / -1;
  width: 100%;
}