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conformance · v132

v132 · scroll-button-pseudo-elements — 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-overflow-5/#scroll-buttons chromestatus: #5093129273999360 generated 2026-06-01T08:16:00Z by conformance-author-v1-subagent
0
pass
0
fail
0
blocked
6
total
id contract kind verdict detail
scroll-button-up-selector ::scroll-button(up) parses as a pseudo-element selector. spec ↗ script
scroll-button-down-selector ::scroll-button(down) parses as a pseudo-element selector. spec ↗ script
scroll-button-left-selector ::scroll-button(left) parses as a pseudo-element selector. script
scroll-button-right-selector ::scroll-button(right) parses as a pseudo-element selector. script
scroll-button-supports-content ::scroll-button() pseudo elements accept generated content, just like ::before / ::after. spec ↗ script
scroll-button-disabled-pseudo-class ::scroll-button() participates in :disabled state when no further scrolling is possible in that direction. spec ↗ script