--- a/layout/base/nsDisplayList.cpp
+++ b/layout/base/nsDisplayList.cpp
@@ -4317,18 +4317,20 @@ bool nsDisplayOpacity::TryMerge(nsDispla
 void
 nsDisplayOpacity::WriteDebugInfo(std::stringstream& aStream)
 {
   aStream << " (opacity " << mOpacity << ")";
 }
 
 nsDisplayMixBlendMode::nsDisplayMixBlendMode(nsDisplayListBuilder* aBuilder,
                                              nsIFrame* aFrame, nsDisplayList* aList,
+                                             uint8_t aBlendMode,
                                              const DisplayItemScrollClip* aScrollClip)
   : nsDisplayWrapList(aBuilder, aFrame, aList, aScrollClip)
+  , mBlendMode(aBlendMode)
 {
   MOZ_COUNT_CTOR(nsDisplayMixBlendMode);
 }
 
 #ifdef NS_BUILD_REFCNT_LOGGING
 nsDisplayMixBlendMode::~nsDisplayMixBlendMode() {
   MOZ_COUNT_DTOR(nsDisplayMixBlendMode);
 }
@@ -4359,17 +4361,17 @@ nsDisplayMixBlendMode::BuildLayer(nsDisp
 
   RefPtr<Layer> container = aManager->GetLayerBuilder()->
   BuildContainerLayerFor(aBuilder, aManager, mFrame, this, &mList,
                          newContainerParameters, nullptr);
   if (!container) {
     return nullptr;
   }
 
-  container->SetMixBlendMode(nsCSSRendering::GetGFXBlendMode(mFrame->StyleDisplay()->mMixBlendMode));
+  container->SetMixBlendMode(nsCSSRendering::GetGFXBlendMode(mBlendMode));
 
   return container.forget();
 }
 
 bool nsDisplayMixBlendMode::ComputeVisibility(nsDisplayListBuilder* aBuilder,
                                               nsRegion* aVisibleRegion) {
   // Our children are need their backdrop so we should not allow them to subtract
   // area from aVisibleRegion. We do need to find out what is visible under

--- a/layout/base/nsDisplayList.h
+++ b/layout/base/nsDisplayList.h
@@ -3386,17 +3386,17 @@ public:
 private:
   float mOpacity;
   bool mForEventsOnly;
 };
 
 class nsDisplayMixBlendMode : public nsDisplayWrapList {
 public:
   nsDisplayMixBlendMode(nsDisplayListBuilder* aBuilder, nsIFrame* aFrame,
-                        nsDisplayList* aList,
+                        nsDisplayList* aList, uint8_t aBlendMode,
                         const DisplayItemScrollClip* aScrollClip);
 #ifdef NS_BUILD_REFCNT_LOGGING
   virtual ~nsDisplayMixBlendMode();
 #endif
 
   nsRegion GetOpaqueRegion(nsDisplayListBuilder* aBuilder,
                            bool* aSnap) override;
 
@@ -3414,16 +3414,19 @@ public:
                                    const ContainerLayerParameters& aParameters) override;
   virtual bool ComputeVisibility(nsDisplayListBuilder* aBuilder,
                                  nsRegion* aVisibleRegion) override;
   virtual bool TryMerge(nsDisplayItem* aItem) override;
   virtual bool ShouldFlattenAway(nsDisplayListBuilder* aBuilder) override {
     return false;
   }
   NS_DISPLAY_DECL_NAME("MixBlendMode", TYPE_MIX_BLEND_MODE)
+
+private:
+  uint8_t mBlendMode;
 };
 
 class nsDisplayBlendContainer : public nsDisplayWrapList {
 public:
     // Use this constructor for blend containers that can have active child layers.
     nsDisplayBlendContainer(nsDisplayListBuilder* aBuilder, nsIFrame* aFrame,
                             nsDisplayList* aList,
                             const DisplayItemScrollClip* aScrollClip);

--- a/layout/generic/nsFrame.cpp
+++ b/layout/generic/nsFrame.cpp
@@ -2309,16 +2309,17 @@ nsIFrame::BuildDisplayListForStackingCon
    * not affected by foreground opacity (only background alpha).
    */
 
   if (useBlendMode && !resultList.IsEmpty()) {
     DisplayListClipState::AutoSaveRestore mixBlendClipState(aBuilder);
     mixBlendClipState.Clear();
     resultList.AppendNewToTop(
         new (aBuilder) nsDisplayMixBlendMode(aBuilder, this, &resultList,
+                                             disp->mMixBlendMode,
                                              containerItemScrollClip));
   }
 
   CreateOwnLayerIfNeeded(aBuilder, &resultList);
 
   aList->AppendToTop(&resultList);
 }