WPT
wpt / css / css-env / syntax.tentative.html
Spec: CSS Environment Variables ↗
Runs: Chrome 155.0.8040.0 (wpt@105b6a3a5, 2026-09-03) | Firefox 157.0a1 (wpt@e6996908b, 2026-09-03) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-f436a (wpt@476394464, 2026-09-03) | Servo Servo 0.6 (wpt@7e3d005d7, 2026-09-03) | Blitz a50cb8971 (wpt@a95401e4e, 2026-09-03)
View on the Blitz WPT dashboard | Open test on wpt.live | wpt.fyi
| Chrome | Firefox | Safari | Ladybird | Servo | Blitz | |
|---|---|---|---|---|---|---|
| Total | 18/18 | 18/18 | 18/18 | 16/18 | 18/18 | 18/18 |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| rgb(0, 128, 0) | PASS | PASS | PASS | PASS | PASS | PASS |
| background-color: env(test) rgba(0, 0, 0, 0) | PASS | PASS | PASS | PASS | PASS | PASS |
| background-color: ENV(test) rgba(0, 0, 0, 0) | PASS | PASS | PASS | PASS | PASS | PASS |
| background-color: env(test) !important rgba(0, 0, 0, 0) | PASS | PASS | PASS | PASS | PASS | PASS |
| background-color: env(test, 10px) rgba(0, 0, 0, 0) | PASS | PASS | PASS | PASS | PASS | PASS |
| background-color: env(test, blue) rgb(0, 0, 255) | PASS | PASS | PASS | PASS | PASS | PASS |
| background-color: env(test, env(another)) rgba(0, 0, 0, 0) | PASS | PASS | PASS | PASS | PASS | PASS |
| background-color: env(test, env(another, blue)) rgb(0, 0, 255) | PASS | PASS | PASS | PASS | PASS | PASS |
| background-color: env(-test) rgba(0, 0, 0, 0) | PASS | PASS | PASS | PASS | PASS | PASS |
| background-color: env(--test) rgba(0, 0, 0, 0) | PASS | PASS | PASS | PASS | PASS | PASS |
| background-color: env(10px) rgb(0, 128, 0) | PASS | PASS | PASS | FAIL | PASS | PASS |
| background-color: env(env(test)) rgb(0, 128, 0) | PASS | PASS | PASS | FAIL | PASS | PASS |
| background-color: env( test) rgba(0, 0, 0, 0) | PASS | PASS | PASS | PASS | PASS | PASS |
| background-color: env(test ) rgba(0, 0, 0, 0) | PASS | PASS | PASS | PASS | PASS | PASS |
| background-color: env( test ) rgba(0, 0, 0, 0) | PASS | PASS | PASS | PASS | PASS | PASS |
| background-color: env(test /**/, blue) rgb(0, 0, 255) | PASS | PASS | PASS | PASS | PASS | PASS |
| background-color: env(test, {}) rgba(0, 0, 0, 0) | PASS | PASS | PASS | PASS | PASS | PASS |
| background-color: env(test, {) rgb(0, 128, 0) | PASS | PASS | PASS | PASS | PASS | PASS |