diff --git a/MonitorControl/Info.plist b/MonitorControl/Info.plist
index e06e3af..11fd03d 100644
--- a/MonitorControl/Info.plist
+++ b/MonitorControl/Info.plist
@@ -19,7 +19,7 @@
 	<key>CFBundleShortVersionString</key>
 	<string>$(MARKETING_VERSION)</string>
 	<key>CFBundleVersion</key>
-	<string>7176</string>
+	<string>7182</string>
 	<key>LSApplicationCategoryType</key>
 	<string>public.app-category.utilities</string>
 	<key>LSMinimumSystemVersion</key>
diff --git a/MonitorControl/Support/MenuHandler.swift b/MonitorControl/Support/MenuHandler.swift
index baebdc1..27a5728 100644
--- a/MonitorControl/Support/MenuHandler.swift
+++ b/MonitorControl/Support/MenuHandler.swift
@@ -103,19 +103,54 @@ class MenuHandler: NSMenu, NSMenuDelegate {
 
   func addDisplayMenuBlock(addedSliderHandlers: [SliderHandler], blockName: String, monitorSubMenu: NSMenu, numOfDisplays: Int, asSubMenu: Bool) {
     if numOfDisplays > 1, prefs.integer(forKey: PrefKey.multiSliders.rawValue) != MultiSliders.relevant.rawValue, !DEBUG_MACOS10, #available(macOS 11.0, *) {
+      /// Draws the original soft outer rings + inner edge; layered on top of `NSVisualEffectView` (which does not reliably call `draw(_:)`).
+      class BlockBorderOverlayView: NSView {
+        override var isOpaque: Bool { false }
+
+        override func viewDidChangeEffectiveAppearance() {
+          super.viewDidChangeEffectiveAppearance()
+          self.needsDisplay = true
+        }
+
+        override func draw(_ dirtyRect: NSRect) {
+          let radius = prefs.bool(forKey: PrefKey.showTickMarks.rawValue) ? CGFloat(4) : CGFloat(11)
+          let outerMargin = CGFloat(15)
+          let blockRect = self.bounds.insetBy(dx: outerMargin, dy: outerMargin / 2 + 2).offsetBy(dx: 0, dy: outerMargin / 2 * -1 + 7)
+          for i in 1 ... 5 {
+            let blockPath = NSBezierPath(roundedRect: blockRect.insetBy(dx: CGFloat(i) * -1, dy: CGFloat(i) * -1), xRadius: radius + CGFloat(i) * 0.5, yRadius: radius + CGFloat(i) * 0.5)
+            NSColor.black.withAlphaComponent(0.1 / CGFloat(i)).setStroke()
+            blockPath.lineWidth = 1
+            blockPath.stroke()
+          }
+          let blockPath = NSBezierPath(roundedRect: blockRect, xRadius: radius, yRadius: radius)
+          if [NSAppearance.Name.darkAqua, NSAppearance.Name.vibrantDark].contains(self.effectiveAppearance.name) {
+            NSColor.systemGray.withAlphaComponent(0.3).setStroke()
+            blockPath.lineWidth = 1
+            blockPath.stroke()
+          } else {
+            // With `NSVisualEffectView` behind, skip the old semi-opaque white fill so the material shows; keep a clear inner edge.
+            NSColor.separatorColor.withAlphaComponent(0.45).setStroke()
+            blockPath.lineWidth = 1
+            blockPath.stroke()
+          }
+        }
+      }
+
       class BlockView: NSVisualEffectView {
         override init(frame frameRect: NSRect) {
           super.init(frame: frameRect)
-          self.material = .popover
-          self.blendingMode = .behindWindow
+          // Match the surrounding NSMenu chrome (display name row above, etc.); `.popover` reads as a different panel.
+          self.material = .menu
+          self.blendingMode = .withinWindow
           self.state = .active
           self.isEmphasized = false
           self.wantsLayer = true
           let tickMarks = prefs.bool(forKey: PrefKey.showTickMarks.rawValue)
           self.layer?.cornerRadius = tickMarks ? CGFloat(10) : CGFloat(14)
           self.layer?.masksToBounds = true
-          self.layer?.borderWidth = 0.5
-          self.layer?.borderColor = NSColor.separatorColor.withAlphaComponent(0.45).cgColor
+          let borderOverlay = BlockBorderOverlayView(frame: self.bounds)
+          borderOverlay.autoresizingMask = [.width, .height]
+          self.addSubview(borderOverlay)
         }
 
         @available(*, unavailable)
diff --git a/MonitorControlHelper/Info.plist b/MonitorControlHelper/Info.plist
index 1c04b68..5af0012 100644
--- a/MonitorControlHelper/Info.plist
+++ b/MonitorControlHelper/Info.plist
@@ -19,7 +19,7 @@
 	<key>CFBundleShortVersionString</key>
 	<string>$(MARKETING_VERSION)</string>
 	<key>CFBundleVersion</key>
-	<string>7176</string>
+	<string>7182</string>
 	<key>LSApplicationCategoryType</key>
 	<string>public.app-category.utilities</string>
 	<key>LSBackgroundOnly</key>