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wpt / css / css-gaps / animation / row-rule-width-interpolation.html

Spec: CSS Gaps ↗

Runs: Chrome 155.0.8043.0 (wpt@b89af32bc, 2026-09-05) | Firefox 157.0a1 (wpt@b89af32bc, 2026-09-05) | Safari 251 preview (wpt@b89af32bc, 2026-09-05) | Ladybird 1.0-f437c (wpt@b89af32bc, 2026-09-06) | Servo Servo 0.6 (wpt@2c385f65e, 2026-09-04) | Blitz a50cb8971 (wpt@a95401e4e, 2026-09-03)

View on the Blitz WPT dashboard | Open test on wpt.live | wpt.fyi

ChromeFirefoxSafariLadybirdServoBlitz
Total168/1680/1680/1680/1680/1680/168
SubtestChromeFirefoxSafariLadybirdServoBlitz
CSS Transitions: property <row-rule-width> from neutral to [40px] at (-0.3) should be [1px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from neutral to [40px] at (0) should be [10px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from neutral to [40px] at (0.3) should be [19px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from neutral to [40px] at (0.6) should be [28px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from neutral to [40px] at (1) should be [40px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from neutral to [40px] at (1.5) should be [55px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from neutral to [40px] at (-0.3) should be [1px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from neutral to [40px] at (0) should be [10px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from neutral to [40px] at (0.3) should be [19px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from neutral to [40px] at (0.6) should be [28px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from neutral to [40px] at (1) should be [40px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from neutral to [40px] at (1.5) should be [55px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from neutral to [40px] at (-0.3) should be [1px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from neutral to [40px] at (0) should be [10px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from neutral to [40px] at (0.3) should be [19px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from neutral to [40px] at (0.6) should be [28px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from neutral to [40px] at (1) should be [40px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from neutral to [40px] at (1.5) should be [55px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from neutral to [40px] at (-0.3) should be [1px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from neutral to [40px] at (0) should be [10px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from neutral to [40px] at (0.3) should be [19px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from neutral to [40px] at (0.6) should be [28px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from neutral to [40px] at (1) should be [40px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from neutral to [40px] at (1.5) should be [55px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [initial] to [40px] at (-0.3) should be [0px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [initial] to [40px] at (0) should be [3px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [initial] to [40px] at (0.3) should be [14px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [initial] to [40px] at (0.6) should be [25px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [initial] to [40px] at (1) should be [40px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [initial] to [40px] at (1.5) should be [58px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [initial] to [40px] at (-0.3) should be [0px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [initial] to [40px] at (0) should be [3px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [initial] to [40px] at (0.3) should be [14px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [initial] to [40px] at (0.6) should be [25px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [initial] to [40px] at (1) should be [40px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [initial] to [40px] at (1.5) should be [58px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [initial] to [40px] at (-0.3) should be [0px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [initial] to [40px] at (0) should be [3px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [initial] to [40px] at (0.3) should be [14px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [initial] to [40px] at (0.6) should be [25px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [initial] to [40px] at (1) should be [40px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [initial] to [40px] at (1.5) should be [58px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [initial] to [40px] at (-0.3) should be [0px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [initial] to [40px] at (0) should be [3px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [initial] to [40px] at (0.3) should be [14px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [initial] to [40px] at (0.6) should be [25px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [initial] to [40px] at (1) should be [40px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [initial] to [40px] at (1.5) should be [58px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [inherit] to [40px] at (-0.3) should be [105px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [inherit] to [40px] at (0) should be [90px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [inherit] to [40px] at (0.3) should be [75px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [inherit] to [40px] at (0.6) should be [60px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [inherit] to [40px] at (1) should be [40px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [inherit] to [40px] at (1.5) should be [15px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [inherit] to [40px] at (-0.3) should be [105px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [inherit] to [40px] at (0) should be [90px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [inherit] to [40px] at (0.3) should be [75px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [inherit] to [40px] at (0.6) should be [60px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [inherit] to [40px] at (1) should be [40px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [inherit] to [40px] at (1.5) should be [15px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [inherit] to [40px] at (-0.3) should be [105px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [inherit] to [40px] at (0) should be [90px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [inherit] to [40px] at (0.3) should be [75px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [inherit] to [40px] at (0.6) should be [60px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [inherit] to [40px] at (1) should be [40px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [inherit] to [40px] at (1.5) should be [15px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [inherit] to [40px] at (-0.3) should be [105px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [inherit] to [40px] at (0) should be [90px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [inherit] to [40px] at (0.3) should be [75px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [inherit] to [40px] at (0.6) should be [60px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [inherit] to [40px] at (1) should be [40px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [inherit] to [40px] at (1.5) should be [15px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [unset] to [40px] at (-0.3) should be [0px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [unset] to [40px] at (0) should be [3px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [unset] to [40px] at (0.3) should be [14px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [unset] to [40px] at (0.6) should be [25px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [unset] to [40px] at (1) should be [40px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [unset] to [40px] at (1.5) should be [58px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [unset] to [40px] at (-0.3) should be [0px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [unset] to [40px] at (0) should be [3px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [unset] to [40px] at (0.3) should be [14px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [unset] to [40px] at (0.6) should be [25px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [unset] to [40px] at (1) should be [40px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [unset] to [40px] at (1.5) should be [58px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [unset] to [40px] at (-0.3) should be [0px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [unset] to [40px] at (0) should be [3px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [unset] to [40px] at (0.3) should be [14px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [unset] to [40px] at (0.6) should be [25px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [unset] to [40px] at (1) should be [40px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [unset] to [40px] at (1.5) should be [58px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [unset] to [40px] at (-0.3) should be [0px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [unset] to [40px] at (0) should be [3px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [unset] to [40px] at (0.3) should be [14px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [unset] to [40px] at (0.6) should be [25px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [unset] to [40px] at (1) should be [40px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [unset] to [40px] at (1.5) should be [58px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [0px] to [100px] at (-0.3) should be [0]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [0px] to [100px] at (0) should be [0]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [0px] to [100px] at (0.3) should be [30px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [0px] to [100px] at (0.6) should be [60px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [0px] to [100px] at (1) should be [100px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [0px] to [100px] at (1.5) should be [150px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [0px] to [100px] at (-0.3) should be [0]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [0px] to [100px] at (0) should be [0]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [0px] to [100px] at (0.3) should be [30px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [0px] to [100px] at (0.6) should be [60px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [0px] to [100px] at (1) should be [100px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [0px] to [100px] at (1.5) should be [150px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [0px] to [100px] at (-0.3) should be [0]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [0px] to [100px] at (0) should be [0]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [0px] to [100px] at (0.3) should be [30px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [0px] to [100px] at (0.6) should be [60px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [0px] to [100px] at (1) should be [100px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [0px] to [100px] at (1.5) should be [150px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [0px] to [100px] at (-0.3) should be [0]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [0px] to [100px] at (0) should be [0]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [0px] to [100px] at (0.3) should be [30px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [0px] to [100px] at (0.6) should be [60px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [0px] to [100px] at (1) should be [100px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [0px] to [100px] at (1.5) should be [150px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [thin] to [11px] at (-0.3) should be [0]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [thin] to [11px] at (0) should be [1px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [thin] to [11px] at (0.3) should be [4px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [thin] to [11px] at (0.6) should be [7px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [thin] to [11px] at (1) should be [11px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [thin] to [11px] at (1.5) should be [16px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [thin] to [11px] at (-0.3) should be [0]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [thin] to [11px] at (0) should be [1px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [thin] to [11px] at (0.3) should be [4px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [thin] to [11px] at (0.6) should be [7px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [thin] to [11px] at (1) should be [11px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [thin] to [11px] at (1.5) should be [16px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [thin] to [11px] at (-0.3) should be [0]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [thin] to [11px] at (0) should be [1px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [thin] to [11px] at (0.3) should be [4px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [thin] to [11px] at (0.6) should be [7px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [thin] to [11px] at (1) should be [11px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [thin] to [11px] at (1.5) should be [16px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [thin] to [11px] at (-0.3) should be [0]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [thin] to [11px] at (0) should be [1px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [thin] to [11px] at (0.3) should be [4px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [thin] to [11px] at (0.6) should be [7px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [thin] to [11px] at (1) should be [11px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [thin] to [11px] at (1.5) should be [16px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [thick] to [15px] at (-0.3) should be [2px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [thick] to [15px] at (0) should be [5px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [thick] to [15px] at (0.3) should be [8px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [thick] to [15px] at (0.6) should be [11px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [thick] to [15px] at (1) should be [15px]PASSFAILFAILFAILFAILFAIL
CSS Transitions: property <row-rule-width> from [thick] to [15px] at (1.5) should be [20px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [thick] to [15px] at (-0.3) should be [2px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [thick] to [15px] at (0) should be [5px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [thick] to [15px] at (0.3) should be [8px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [thick] to [15px] at (0.6) should be [11px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [thick] to [15px] at (1) should be [15px]PASSFAILFAILFAILFAILFAIL
CSS Transitions with transition: all: property <row-rule-width> from [thick] to [15px] at (1.5) should be [20px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [thick] to [15px] at (-0.3) should be [2px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [thick] to [15px] at (0) should be [5px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [thick] to [15px] at (0.3) should be [8px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [thick] to [15px] at (0.6) should be [11px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [thick] to [15px] at (1) should be [15px]PASSFAILFAILFAILFAILFAIL
CSS Animations: property <row-rule-width> from [thick] to [15px] at (1.5) should be [20px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [thick] to [15px] at (-0.3) should be [2px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [thick] to [15px] at (0) should be [5px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [thick] to [15px] at (0.3) should be [8px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [thick] to [15px] at (0.6) should be [11px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [thick] to [15px] at (1) should be [15px]PASSFAILFAILFAILFAILFAIL
Web Animations: property <row-rule-width> from [thick] to [15px] at (1.5) should be [20px]PASSFAILFAILFAILFAILFAIL