← back to v131 · page-margin-boxes

conformance · v131

v131 · page-margin-boxes — conformance probe

6 assertions drawn from the spec. Each is a single contract the spec text makes. Pass/fail reflects what this browser executed; blocked means the contract was not run because it needs user mediation, hardware, or another unavailable precondition. Open the page in Chrome stable / canary / Firefox / Safari to compare.

browser: spec: https://drafts.csswg.org/css-page-3/#margin-boxes chromestatus: #5195769732923392 generated 2026-06-02T09:02:11Z by codex-auto-research-v131
0
pass
0
fail
0
blocked
6
total
id contract kind verdict detail
css-page-rule-exposed CSSPageRule is exposed for @page rules. spec ↗ typeof
css-margin-rule-exposed CSSMarginRule is exposed for @page margin boxes. spec ↗ typeof
top-center-margin-box-parses @top-center margin boxes parse inside @page. spec ↗ script
bottom-right-counter-parses @bottom-right margin boxes accept generated page counter content. spec ↗ script
first-page-margin-box-parses Page-margin boxes parse inside a :first @page rule. spec ↗ script
page-property-supported The page property accepts a named page, connecting elements to @page rules. spec ↗ css-supports