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<style>.chips { display: flex; flex-wrap: wrap; }</style><main class="chips">Example content</main>
A good CSS change narrows the problem. Use wrapping for resilience and reserve order changes for cases where the visual and semantic sequences are intentionally different. This keeps the rule understandable when content, theme, or viewport conditions change later.
In production, The order property changes visual order, not document order. Overusing it can create confusing keyboard and reading sequences. That is the kind of bug that survives visual spot checks because the stylesheet is syntactically valid while the layout contract is wrong.
| Concern | What to inspect | Typical failure |
|---|---|---|
| Core behavior | Flex Direction, Wrapping, and Ordering | The order property changes visual order, not document order. Overusing it can create confusing keyboard and reading sequences. |
| Production test | Real content and constraints | The rule works only for the demo values |
| Maintenance | Scope and override path | A later fix creates another exception |
A good CSS change narrows the problem. Use wrapping for resilience and reserve order changes for cases where the visual and semantic sequences are intentionally different. This keeps the rule understandable when content, theme, or viewport conditions change later.
<style>.toolbar { flex-direction: row-reverse; }</style><main class="toolbar">Example content</main>
Engineering judgment: Use wrapping for resilience and reserve order changes for cases where the visual and semantic sequences are intentionally different.
<style>.priority { order: -1; }</style><main class="priority">Example content</main>
Visual ordering is useful here because it demonstrates flex direction, wrapping, and ordering under a concrete input rather than as an abstract property list.
<style>.gallery { flex-flow: column wrap; }</style><main class="gallery">Example content</main>
Vertical wrap is useful here because it demonstrates flex direction, wrapping, and ordering under a concrete input rather than as an abstract property list.
Finish the lesson once you have worked through the material. This awards ★ 30 XP.