/* Original W6 tree figures share a fixed layout with the lecture deck. */
.w06-tree-step {
  margin: 1.25rem 0 2rem;
}

.w06-tree-scroll {
  overflow-x: auto;
  background: #fff;
  border: 1px solid #c9c9c9;
  border-radius: 0.3rem;
}

.w06-tree-scroll:focus-visible {
  outline: 2px solid #7b1113;
  outline-offset: 3px;
}

.w06-tree-scroll img {
  display: block;
  width: 100%;
  min-width: 720px;
  max-width: none;
  height: auto;
}

.w06-tree-step figcaption {
  margin-top: 0.5rem;
  font-size: 0.95rem;
}