Status
This page documents the implementation status of various HTML and CSS features in Blitz.
This page documents Blitz's scores on the "css" subsuite of the Web Platform Tests.
Note: As it does not have a JavaScript engine, Blitz can only run about 20% of the total subtests. In the numbers below, tests that Blitz can't run are ignored and percentages are relative to the number of tests run.
wpt / css / css-box / animation
Data from commit:
a50cb89 wpt: run reference-named files which are themselves tests (#836) (2026-09-03)
| Area | Interop Score | Tests | Test % | Subtests | Subtest % |
|---|---|---|---|---|---|
| Total | 19.20% | (0/10) | 0.00% | (236/648) | 36.42% |
| Test | Subtests | Subtest % | Status |
|---|---|---|---|
| margin-bottom-composition.html | (4/50) | 8.00% | FAIL |
| margin-interpolation.html | (108/144) | 75.00% | FAIL |
| margin-left-composition.html | (4/50) | 8.00% | FAIL |
| margin-right-composition.html | (4/50) | 8.00% | FAIL |
| margin-top-composition.html | (4/50) | 8.00% | FAIL |
| padding-bottom-composition.html | (1/40) | 2.50% | FAIL |
| padding-interpolation.html | (108/144) | 75.00% | FAIL |
| padding-left-composition.html | (1/40) | 2.50% | FAIL |
| padding-right-composition.html | (1/40) | 2.50% | FAIL |
| padding-top-composition.html | (1/40) | 2.50% | FAIL |