← back to v144 · side-relative-syntax-for-background-position-x-y-longhands
conformance · v144
v144 · side-relative-syntax-for-background-position-x-y-longhands — conformance probe
5 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.
0
pass
0
fail
0
blocked
5
total
| id | contract | kind | verdict | detail |
|---|---|---|---|---|
background-position-x-keyword |
background-position-x accepts side keywords like 'right'. spec ↗ | css-supports | … | |
background-position-x-side-relative |
background-position-x accepts a side + offset pair (e.g. 'right 20%'). spec ↗ | css-supports | … | |
background-position-y-side-relative |
background-position-y accepts 'bottom <length>'. spec ↗ | css-supports | … | |
background-position-y-keyword |
background-position-y accepts 'top'. spec ↗ | css-supports | … | |
computed-side-relative-roundtrip |
Setting background-position-x: right 20% via CSSOM is preserved via getComputedStyle. spec ↗ | script | … |