--- a/layout/reftests/css-blending/reftest.list
+++ b/layout/reftests/css-blending/reftest.list
@@ -1,44 +1,44 @@
pref(layout.css.mix-blend-mode.enabled,true) == blend-canvas.html blend-canvas-ref.html
pref(layout.css.mix-blend-mode.enabled,true) == blend-constant-background-color.html blend-constant-background-color-ref.html
pref(layout.css.mix-blend-mode.enabled,true) fuzzy-if(webrender,1-1,7875-7875) == blend-gradient-background-color.html blend-gradient-background-color-ref.html
pref(layout.css.mix-blend-mode.enabled,true) == blend-image.html blend-image-ref.html
pref(layout.css.mix-blend-mode.enabled,true) == blend-difference-stacking.html blend-difference-stacking-ref.html
fuzzy-if(skiaContent,1,30000) pref(layout.css.background-blend-mode.enabled,true) == background-blending-alpha.html background-blending-alpha-ref.html
pref(layout.css.background-blend-mode.enabled,true) fuzzy-if(webrender,1-1,7875-7875) == background-blending-gradient-color.html background-blending-gradient-color-ref.html
-fuzzy-if(azureSkiaGL,3,7597) fuzzy-if(cocoaWidget,3,7597) fuzzy-if(d2d,1,3800) fuzzy-if(d3d11,1,4200) fuzzy-if(skiaContent,2,9450) pref(layout.css.background-blend-mode.enabled,true) fails-if(webrender) == background-blending-gradient-gradient.html background-blending-gradient-gradient-ref.html
-fuzzy-if(azureSkiaGL,2,7174) pref(layout.css.background-blend-mode.enabled,true) fails-if(webrender) == background-blending-gradient-image.html background-blending-gradient-color-ref.html
+fuzzy-if(azureSkiaGL,3,7597) fuzzy-if(cocoaWidget,3,7597) fuzzy-if(d2d,1,3800) fuzzy-if(d3d11,1,4200) fuzzy-if(skiaContent,2,9450) fuzzy-if(webrender,1-1,23625-23625) pref(layout.css.background-blend-mode.enabled,true) == background-blending-gradient-gradient.html background-blending-gradient-gradient-ref.html
+fuzzy-if(azureSkiaGL,2,7174) fuzzy-if(webrender,1-1,7875-7875) pref(layout.css.background-blend-mode.enabled,true) == background-blending-gradient-image.html background-blending-gradient-color-ref.html
fuzzy-if(azureSkia||d2d||gtkWidget,1,10000) pref(layout.css.background-blend-mode.enabled,true) == background-blending-image-color-jpg.html background-blending-image-color-ref.html
pref(layout.css.background-blend-mode.enabled,true) == background-blending-image-color-png.html background-blending-image-color-ref.html
pref(layout.css.background-blend-mode.enabled,true) == background-blending-image-color-svg.html background-blending-image-color-ref.html
-fuzzy-if(azureSkiaGL,2,7174) pref(layout.css.background-blend-mode.enabled,true) fails-if(webrender) == background-blending-image-gradient.html background-blending-gradient-color-ref.html
+fuzzy-if(azureSkiaGL,2,7174) fuzzy-if(webrender,1-1,7875-7875) pref(layout.css.background-blend-mode.enabled,true) == background-blending-image-gradient.html background-blending-gradient-color-ref.html
pref(layout.css.background-blend-mode.enabled,true) == background-blending-image-image.html background-blending-image-color-ref.html
pref(layout.css.background-blend-mode.enabled,true) == background-blending-isolation.html background-blending-isolation-ref.html
pref(layout.css.background-blend-mode.enabled,true) == background-blending-list-repeat.html background-blending-list-repeat-ref.html
pref(layout.css.background-blend-mode.enabled,true) == background-blending-multiple-images.html background-blending-multiple-images-ref.html
pref(layout.css.background-blend-mode.enabled,true) == background-blending-color-burn.html background-blending-color-burn-ref.svg
pref(layout.css.background-blend-mode.enabled,true) == background-blending-color-dodge.html background-blending-color-dodge-ref.svg
# need to investigate why these tests are fuzzy - first suspect is a possible color space conversion on some platforms; same for mix-blend-mode tests
-fuzzy-if(azureSkia||gtkWidget,2,9600) fuzzy-if(d2d,1,8000) pref(layout.css.background-blend-mode.enabled,true) fails-if(webrender) == background-blending-color.html background-blending-color-ref.svg
+fuzzy-if(azureSkia||gtkWidget,2,9600) fuzzy-if(d2d,1,8000) pref(layout.css.background-blend-mode.enabled,true) == background-blending-color.html background-blending-color-ref.svg
pref(layout.css.background-blend-mode.enabled,true) == background-blending-darken.html background-blending-darken-ref.svg
pref(layout.css.background-blend-mode.enabled,true) == background-blending-difference.html background-blending-difference-ref.svg
fuzzy-if(skiaContent,1,1600) pref(layout.css.background-blend-mode.enabled,true) == background-blending-exclusion.html background-blending-exclusion-ref.svg
fuzzy-if(cocoaWidget||d2d,1,1600) pref(layout.css.background-blend-mode.enabled,true) == background-blending-hard-light.html background-blending-hard-light-ref.svg
-fuzzy-if(d2d,1,9600) fuzzy-if(azureSkia||gtkWidget,2,9600) pref(layout.css.background-blend-mode.enabled,true) fails-if(webrender) == background-blending-hue.html background-blending-hue-ref.svg
+fuzzy-if(d2d,1,9600) fuzzy-if(azureSkia||gtkWidget,2,9600) fuzzy-if(webrender,1-1,11200-11200) pref(layout.css.background-blend-mode.enabled,true) == background-blending-hue.html background-blending-hue-ref.svg
pref(layout.css.background-blend-mode.enabled,true) == background-blending-lighten.html background-blending-lighten-ref.svg
-fuzzy-if(d2d,1,8000) fuzzy-if(azureSkia||gtkWidget,2,9600) pref(layout.css.background-blend-mode.enabled,true) fails-if(webrender) == background-blending-luminosity.html background-blending-luminosity-ref.svg
+fuzzy-if(d2d,1,8000) fuzzy-if(azureSkia||gtkWidget,2,9600) pref(layout.css.background-blend-mode.enabled,true) == background-blending-luminosity.html background-blending-luminosity-ref.svg
pref(layout.css.background-blend-mode.enabled,true) == background-blending-multiply.html background-blending-multiply-ref.svg
pref(layout.css.background-blend-mode.enabled,true) == background-blending-normal.html background-blending-normal-ref.svg
-fuzzy-if(azureSkia||gtkWidget,1,1600) pref(layout.css.background-blend-mode.enabled,true) fails-if(webrender) == background-blending-overlay.html background-blending-overlay-ref.svg
-fuzzy-if(d2d,1,1600) fuzzy-if(azureSkia||gtkWidget,2,12800) pref(layout.css.background-blend-mode.enabled,true) fails-if(webrender) == background-blending-saturation.html background-blending-saturation-ref.svg
-fuzzy-if(d2d||azureSkia||gtkWidget,1,1600) pref(layout.css.background-blend-mode.enabled,true) fails-if(webrender) == background-blending-screen.html background-blending-screen-ref.svg
-fuzzy-if(d2d||azureSkia||gtkWidget,10,4800) pref(layout.css.background-blend-mode.enabled,true) fails-if(webrender) == background-blending-soft-light.html background-blending-soft-light-ref.svg
+fuzzy-if(azureSkia||gtkWidget,1,1600) pref(layout.css.background-blend-mode.enabled,true) == background-blending-overlay.html background-blending-overlay-ref.svg
+fuzzy-if(d2d,1,1600) fuzzy-if(azureSkia||gtkWidget,2,12800) pref(layout.css.background-blend-mode.enabled,true) == background-blending-saturation.html background-blending-saturation-ref.svg
+fuzzy-if(d2d||azureSkia||gtkWidget,1,1600) pref(layout.css.background-blend-mode.enabled,true) == background-blending-screen.html background-blending-screen-ref.svg
+fuzzy-if(d2d||azureSkia||gtkWidget,10,4800) pref(layout.css.background-blend-mode.enabled,true) == background-blending-soft-light.html background-blending-soft-light-ref.svg
fuzzy-if(azureSkia||d2d||gtkWidget,1,40000) pref(layout.css.background-blend-mode.enabled,true) == background-blending-image-color-959674.html background-blending-image-color-959674-ref.html
#fuzzy due to inconsistencies in rounded rect cliping between parent and child; may be related to antialiasing. Between platforms, the max difference is the same, and the number of different pixels is either 36 or 37. (Win, Mac and Lin)
fuzzy(64,53) pref(layout.css.mix-blend-mode.enabled,true) == mix-blend-mode-952051.html mix-blend-mode-952051-ref.html
fuzzy-if(d3d11,49,200) pref(layout.css.mix-blend-mode.enabled,true) pref(layout.css.filters.enabled,true) == mix-blend-mode-and-filter.html mix-blend-mode-and-filter-ref.html
fuzzy-if(d3d11,1,3) pref(layout.css.mix-blend-mode.enabled,true) pref(layout.css.filters.enabled,true) == mix-blend-mode-and-filter.svg mix-blend-mode-and-filter-ref.svg
@@ -87,14 +87,14 @@ pref(layout.css.background-blend-mode.en
pref(layout.css.background-blend-mode.enabled,true) == background-blending-background-attachement-fixed.html background-blending-background-attachement-fixed-ref.html
pref(layout.css.background-blend-mode.enabled,true) == background-blending-background-attachement-fixed-scroll.html background-blending-background-attachement-fixed-scroll-ref.html
pref(layout.css.background-blend-mode.enabled,true) == background-blend-mode-body-image.html background-blend-mode-body-image-ref.html
fuzzy-if(Android,4,768) fuzzy-if(gtkWidget,1,132) fuzzy-if(skiaContent,1,800) pref(layout.css.background-blend-mode.enabled,true) == background-blend-mode-body-transparent-image.html background-blend-mode-body-transparent-image-ref.html
pref(layout.css.background-blend-mode.enabled,true) == background-blending-moz-element.html background-blending-moz-element-ref.html
-fuzzy(1,40000) pref(layout.css.background-blend-mode.enabled,true) fails-if(webrender) == mix-blend-mode-soft-light.html mix-blend-mode-soft-light-ref.html
+fuzzy(1,40000) pref(layout.css.background-blend-mode.enabled,true) == mix-blend-mode-soft-light.html mix-blend-mode-soft-light-ref.html
# Test plan 4.4.2 element with isolation:isolate creates an isolated group for blended children
pref(layout.css.isolation.enabled,true) == blend-isolation.html blend-isolation-ref.html
pref(layout.css.background-blend-mode.enabled,true) == bug1281593.html bug1281593-ref.html