Correct three containment headers

Plan step 36 review. The list's header sent dividers to list.css, which
list-item.css draws since 9ff5a7a8; the carousel item's label overlay
shows the `label` prop, not the "n of m" name; the dialog's 560/280px
are its maximum and minimum width, in that order.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Qwx5USif3wFFmxtHg5U1g9

resources/css/components/carousel-item.css

@@ -7,7 +7,7 @@
  *   [data-md-carousel-item]        the tab stop (C-18), a focusable `group`, `md-focus-ring`
  *     [data-md-carousel-surface]   the masked, shifted, extra-large-corner (28px) box
  *       [data-md-carousel-content] the slot (an <img>, cropped)
- *       [data-md-carousel-label]   the "n of m"-named overlay on the scrim
+ *       [data-md-carousel-label]   the `label` prop's words, over a scrim gradient
  *         [data-md-carousel-label-text]
  *
  * The item renders the shared `md-focus-ring` class (foundation/interaction.css) rather than a

resources/css/components/modal.css

@@ -10,7 +10,7 @@
  *       [data-md-modal-body]   the only part that scrolls; [data-md-modal-content] wraps the slot
  *       [data-md-modal-actions]  pinned, trailing-aligned
  *
- * 560/280px width (min/max), 48px scrim margin, 28px corner and 24dp padding all match the specs
+ * 560/280px width (max/min), 48px scrim margin, 28px corner and 24dp padding all match the specs
  * page; a compact window's full-screen dialog swaps the box for the whole screen with a 56px bar
  * (C-17: this used to be 64px) instead of the headline block. It opens on the fast spatial spring
  * and closes at once — a native `<dialog>` makes an exit transition awkward, since