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WPT

wpt / css / css-masking / parsing / mask-computed.html

Spec: CSS Masking ↗

Runs: Chrome 155.0.8041.0 (wpt@4a01b83e3, 2026-09-04) | Firefox 157.0a1 (wpt@e7122b73f, 2026-09-04) | Safari 251 preview (wpt@2c385f65e, 2026-09-04) | Ladybird 1.0-70fb3 (wpt@4a01b83e3, 2026-09-04) | 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

ChromeFirefoxSafariLadybirdServoBlitz
Total32/3232/323/3232/320/3225/32
SubtestChromeFirefoxSafariLadybirdServoBlitz
Property mask value 'none'PASSPASSPASSPASSFAILPASS
Property mask value 'linear-gradient(to left bottom, red, blue)'PASSPASSFAILPASSFAILPASS
Property mask value 'linear-gradient(to left bottom, red, blue) luminance'PASSPASSFAILPASSFAILPASS
Property mask value 'linear-gradient(calc(90deg - 45deg), rgb(0, 128, 0), rgb(0, 0, 255)'PASSPASSFAILPASSFAILPASS
Property mask value 'radial-gradient(circle calc(-0.5em + 10px) at calc(-1em + 10px) calc(-2em + 10px), rgb(255, 0, 0), rgb(0, 0, 255))'PASSPASSFAILPASSFAILPASS
Property mask value 'radial-gradient(ellipse calc(-0.5em + 10px) calc(0.5em + 10px) at 20px 30px, rgb(255, 0, 0), rgb(0, 0, 255))'PASSPASSFAILPASSFAILPASS
Property mask value 'conic-gradient(gold calc(100% / 2), #f06 calc(360deg * 4 / 5))'PASSPASSFAILPASSFAILPASS
Property mask value 'conic-gradient(black 1turn, white'PASSPASSFAILPASSFAILPASS
Property mask value 'url("https://example.com/")'PASSPASSFAILPASSFAILPASS
Property mask value 'linear-gradient(to left bottom, red, blue) 1px 2px'PASSPASSFAILPASSFAILPASS
Property mask value 'url("https://example.com/") 1px 2px / contain'PASSPASSFAILPASSFAILPASS
Property mask value 'repeat-y'PASSPASSFAILPASSFAILPASS
Property mask value 'border-box'PASSPASSPASSPASSFAILPASS
Property mask value 'linear-gradient(to left bottom, red, blue) padding-box'PASSPASSFAILPASSFAILPASS
Property mask value 'content-box'PASSPASSFAILPASSFAILPASS
Property mask value 'url("https://example.com/") fill-box'PASSPASSFAILPASSFAILFAIL
Property mask value 'linear-gradient(to left bottom, red, blue) stroke-box'PASSPASSFAILPASSFAILFAIL
Property mask value 'view-box'PASSPASSFAILPASSFAILFAIL
Property mask value 'no-clip'PASSPASSFAILPASSFAILFAIL
Property mask value 'url("https://example.com/") add'PASSPASSFAILPASSFAILPASS
Property mask value 'subtract'PASSPASSFAILPASSFAILPASS
Property mask value 'url("https://example.com/") intersect'PASSPASSFAILPASSFAILPASS
Property mask value 'linear-gradient(to left bottom, red, blue) exclude'PASSPASSFAILPASSFAILPASS
Property mask value 'alpha'PASSPASSFAILPASSFAILPASS
Property mask value 'url("https://example.com/") alpha'PASSPASSFAILPASSFAILPASS
Property mask value 'border-box border-box'PASSPASSPASSPASSFAILPASS
Property mask value 'content-box content-box'PASSPASSFAILPASSFAILPASS
Property mask value 'border-box content-box'PASSPASSFAILPASSFAILPASS
Property mask value 'border-box no-clip'PASSPASSFAILPASSFAILFAIL
Property mask value 'intersect no-clip space round 1px 2px / contain stroke-box linear-gradient(to left bottom, red, blue) luminance'PASSPASSFAILPASSFAILFAIL
Property mask value 'intersect no-clip space round 1px 2px / contain view-box, stroke-box linear-gradient(to left bottom, red, blue) luminance'PASSPASSFAILPASSFAILFAIL
Property mask value 'none alpha'PASSPASSFAILPASSFAILPASS