diff --git a/app/src/main/java/com/termux/window/FloatingBubbleManager.java b/app/src/main/java/com/termux/window/FloatingBubbleManager.java
index 1c9985d..639e514 100644
--- a/app/src/main/java/com/termux/window/FloatingBubbleManager.java
+++ b/app/src/main/java/com/termux/window/FloatingBubbleManager.java
@@ -1,10 +1,13 @@
 package com.termux.window;
 
+import android.graphics.Outline;
 import android.graphics.drawable.Drawable;
 import android.view.View;
 import android.view.ViewGroup;
+import android.view.ViewOutlineProvider;
 import android.view.WindowManager;
 
+import com.termux.shared.view.ViewUtils;
 import com.termux.view.TerminalView;
 
 /**
@@ -12,9 +15,10 @@
  * to its original display.
  */
 public class FloatingBubbleManager {
-    private static final int BUBBLE_SIZE = 200;
+    private static final int DEFAULT_BUBBLE_SIZE_DP = 56;
 
     private TermuxFloatView mTermuxFloatView;
+    private final int BUBBLE_SIZE_PX;
 
     private boolean mIsMinimized;
 
@@ -26,9 +30,9 @@ public class FloatingBubbleManager {
     private Drawable mOriginalTerminalViewBackground;
     private Drawable mOriginalFloatViewBackground;
 
-
     public FloatingBubbleManager(TermuxFloatView termuxFloatView) {
         mTermuxFloatView = termuxFloatView;
+        BUBBLE_SIZE_PX = ViewUtils.dpToPx(mTermuxFloatView.getContext(), DEFAULT_BUBBLE_SIZE_DP);
     }
 
     public void toggleBubble() {
@@ -50,11 +54,20 @@ public void displayAsFloatingBubble() {
         captureOriginalLayoutValues();
 
         WindowManager.LayoutParams layoutParams = getLayoutParams();
-        layoutParams.width = BUBBLE_SIZE;
-        layoutParams.height = BUBBLE_SIZE;
+
+        layoutParams.width = BUBBLE_SIZE_PX;
+        layoutParams.height = BUBBLE_SIZE_PX;
 
         TerminalView terminalView = getTerminalView();
-        terminalView.setBackgroundResource(R.drawable.round_button);
+        final int strokeWidth = (int) terminalView.getResources().getDimension(R.dimen.bubble_outline_stroke_width);
+        terminalView.setOutlineProvider(new ViewOutlineProvider() {
+            @SuppressWarnings("SuspiciousNameCombination")
+            @Override
+            public void getOutline(View view, Outline outline) {
+                // shrink TerminalView clipping a bit so it doesn't cut off our bubble outline
+                outline.setOval(strokeWidth, strokeWidth, view.getWidth() - strokeWidth, view.getHeight() - strokeWidth);
+            }
+        });
         terminalView.setClipToOutline(true);
 
         TermuxFloatView termuxFloatView = getTermuxFloatView();
@@ -79,6 +92,7 @@ public void displayAsFloatingWindow() {
 
         TerminalView terminalView = getTerminalView();
         terminalView.setBackground(mOriginalTerminalViewBackground);
+        terminalView.setOutlineProvider(null);
         terminalView.setClipToOutline(false);
 
         TermuxFloatView termuxFloatView = getTermuxFloatView();
diff --git a/app/src/main/res/drawable/round_button.xml b/app/src/main/res/drawable/round_button.xml
deleted file mode 100644
index c5f59c9..0000000
--- a/app/src/main/res/drawable/round_button.xml
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <item>
-        <shape android:shape="oval">
-            <solid android:color="@android:color/black" />
-        </shape>
-    </item>
-</selector>
\ No newline at end of file
diff --git a/app/src/main/res/drawable/round_button_with_outline.xml b/app/src/main/res/drawable/round_button_with_outline.xml
index 0a14446..79b8df4 100644
--- a/app/src/main/res/drawable/round_button_with_outline.xml
+++ b/app/src/main/res/drawable/round_button_with_outline.xml
@@ -4,7 +4,7 @@
         <shape android:shape="oval">
             <solid android:color="@android:color/black" />
             <stroke android:color="@android:color/white"
-                android:width="1dp" />
+                android:width="@dimen/bubble_outline_stroke_width" />
         </shape>
     </item>
 </selector>
\ No newline at end of file
diff --git a/app/src/main/res/values/dimens.xml b/app/src/main/res/values/dimens.xml
new file mode 100644
index 0000000..289703c
--- /dev/null
+++ b/app/src/main/res/values/dimens.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <dimen name="bubble_outline_stroke_width">1dp</dimen>
+</resources>
\ No newline at end of file