diff --git a/Userland/Libraries/LibWeb/Layout/Node.cpp b/Userland/Libraries/LibWeb/Layout/Node.cpp
index e7564af1bd..a9d40b2f72 100644
--- a/Userland/Libraries/LibWeb/Layout/Node.cpp
+++ b/Userland/Libraries/LibWeb/Layout/Node.cpp
@@ -77,6 +77,9 @@ bool Node::establishes_stacking_context() const
     auto position = computed_values().position();
     if (position == CSS::Position::Absolute || position == CSS::Position::Relative || position == CSS::Position::Fixed || position == CSS::Position::Sticky)
         return true;
+    auto opacity = computed_values().opacity();
+    if (opacity.has_value() && opacity.value() != 1.0f)
+        return true;
     return false;
 }
 
diff --git a/Userland/Libraries/LibWeb/Painting/StackingContext.cpp b/Userland/Libraries/LibWeb/Painting/StackingContext.cpp
index 7ff683e8b6..3db4556ac8 100644
--- a/Userland/Libraries/LibWeb/Painting/StackingContext.cpp
+++ b/Userland/Libraries/LibWeb/Painting/StackingContext.cpp
@@ -6,6 +6,7 @@
 
 #include <AK/QuickSort.h>
 #include <AK/StringBuilder.h>
+#include <LibGfx/Painter.h>
 #include <LibWeb/DOM/Node.h>
 #include <LibWeb/Layout/Box.h>
 #include <LibWeb/Layout/InitialContainingBlockBox.h>
@@ -71,7 +72,7 @@ void StackingContext::paint_descendants(PaintContext& context, Node& box, Stacki
     });
 }
 
-void StackingContext::paint(PaintContext& context)
+void StackingContext::paint_internal(PaintContext& context)
 {
     // For a more elaborate description of the algorithm, see CSS 2.1 Appendix E
     // Draw the background and borders for the context root (steps 1, 2)
@@ -101,6 +102,26 @@ void StackingContext::paint(PaintContext& context)
     paint_descendants(context, m_box, StackingContextPaintPhase::FocusAndOverlay);
 }
 
+void StackingContext::paint(PaintContext& context)
+{
+    auto opacity = m_box.computed_values().opacity();
+    if (opacity.has_value() && opacity.value() == 0.0f)
+        return;
+
+    if (opacity.has_value() && opacity.value() != 1.0f) {
+        auto bitmap = context.painter().target();
+        auto new_bitmap = Gfx::Bitmap::try_create(Gfx::BitmapFormat::BGRA8888, bitmap->size());
+        if (!new_bitmap)
+            return;
+        Gfx::Painter painter(*new_bitmap);
+        PaintContext paint_context(painter, context.palette(), context.scroll_offset());
+        paint_internal(paint_context);
+        context.painter().blit(Gfx::IntPoint(m_box.absolute_position()), *new_bitmap, Gfx::IntRect(m_box.absolute_rect()), opacity.value());
+    } else {
+        paint_internal(context);
+    }
+}
+
 HitTestResult StackingContext::hit_test(const Gfx::IntPoint& position, HitTestType type) const
 {
     HitTestResult result;
diff --git a/Userland/Libraries/LibWeb/Painting/StackingContext.h b/Userland/Libraries/LibWeb/Painting/StackingContext.h
index 687e887b49..1e8142718b 100644
--- a/Userland/Libraries/LibWeb/Painting/StackingContext.h
+++ b/Userland/Libraries/LibWeb/Painting/StackingContext.h
@@ -35,6 +35,8 @@ private:
     Box& m_box;
     StackingContext* const m_parent { nullptr };
     Vector<StackingContext*> m_children;
+
+    void paint_internal(PaintContext&);
 };
 
 }