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conformance · v157
v157 · css-flow-start-and-flow-end-alignment-keywords — conformance probe
8 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.
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| id | contract | kind | verdict | detail |
|---|---|---|---|---|
alias-target-flex-start |
The alias target exists: justify-content accepts flex-start (shipped since flexbox). spec ↗ | css-supports | … | |
justify-content-flow-start |
justify-content accepts the new flow-start keyword. spec ↗ | css-supports | … | |
align-content-flow-end |
align-content accepts the new flow-end keyword. spec ↗ | css-supports | … | |
align-self-flow-start |
align-self accepts flow-start, so the aliases cover self-alignment as well as content distribution. spec ↗ | css-supports | … | |
flow-start-retained-roundtrip |
A flow-start declaration set through the CSSOM survives the parser and reads back from the inline style. spec ↗ | script | … | |
flex-start-serializes-as-flow-start |
True aliasing: assigning flex-start reads back as flow-start from the specified style, per the CSSWG serialization resolution. spec ↗ | script | … | |
computed-serializes-as-flow-start |
getComputedStyle also reports flow-start for an element assigned flex-start. spec ↗ | script | … | |
flow-relative-divergence-under-reversal |
The underlying semantic the alias names: in a row-reverse flexbox, flex-start places the first item at a different physical offset than the logical start keyword. spec ↗ | script | … |