/* The buttercup's colours on the book's own themes. */
:root {
  --buttercup: #e9a800;
}

.light,
.rust {
  --links: #1f6b4a;
  --sidebar-active: #1f6b4a;
}

.navy,
.coal,
.ayu {
  --links: #f4c430;
  --sidebar-active: #f4c430;
}

.chapter li.part-title {
  color: var(--buttercup);
}

.buttercup-logo {
  width: 72px;
  height: 72px;
  float: right;
  margin: 0 0 12px 24px;
}