| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>CSS Containment Test: Layout containment independent formatting context</title> |
| <link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com"> |
| <link rel="help" href="https://drafts.csswg.org/css-contain-1/#containment-layout"> |
| <link rel="match" href="reference/contain-paint-independent-formatting-context-001-ref.html"> |
| <meta name=assert content="Layout containment elements establish an independent formatting context. The test checks that this feature of layout containment applies to inline blocks."> |
| <style> |
| .wrapper { |
| border: solid thick; |
| margin: 1em; |
| } |
| </style> |
| <p>Test passes if it has the same output than the reference.</p> |
| <div class="wrapper"> |
| <span style="display: inline-block; margin: 1em 0; vertical-align: top; contain: layout;"> |
| <div style="margin: 1em 0;">This text should have 2em top and bottom margins (margins do not collapse).</div> |
| </span> |
| </div> |
