diff --git a/assets/screenshot.png b/assets/screenshot.png
index bad7219..14a5d58 100644
Binary files a/assets/screenshot.png and b/assets/screenshot.png differ
diff --git a/linux/icons/128x128@1x/app_icon.png b/linux/icons/128x128@1x/app_icon.png
index 68aa27d..531ee6d 100644
Binary files a/linux/icons/128x128@1x/app_icon.png and b/linux/icons/128x128@1x/app_icon.png differ
diff --git a/linux/icons/128x128@1x/apps/com.example.pdf_toc.png b/linux/icons/128x128@1x/apps/com.example.pdf_toc.png
index b05b9f2..18bd5e9 100644
Binary files a/linux/icons/128x128@1x/apps/com.example.pdf_toc.png and b/linux/icons/128x128@1x/apps/com.example.pdf_toc.png differ
diff --git a/linux/icons/256x256@1x/app_icon.png b/linux/icons/256x256@1x/app_icon.png
index e4662f5..74f45d6 100644
Binary files a/linux/icons/256x256@1x/app_icon.png and b/linux/icons/256x256@1x/app_icon.png differ
diff --git a/linux/icons/256x256@1x/apps/com.example.pdf_toc.png b/linux/icons/256x256@1x/apps/com.example.pdf_toc.png
index 0600bd5..7875672 100644
Binary files a/linux/icons/256x256@1x/apps/com.example.pdf_toc.png and b/linux/icons/256x256@1x/apps/com.example.pdf_toc.png differ
diff --git a/linux/icons/32x32@1x/app_icon.png b/linux/icons/32x32@1x/app_icon.png
index f3c3b6d..9a304ca 100644
Binary files a/linux/icons/32x32@1x/app_icon.png and b/linux/icons/32x32@1x/app_icon.png differ
diff --git a/linux/icons/64x64@1x/app_icon.png b/linux/icons/64x64@1x/app_icon.png
index 4c37b2a..704a7c0 100644
Binary files a/linux/icons/64x64@1x/app_icon.png and b/linux/icons/64x64@1x/app_icon.png differ
diff --git a/macos/Runner/Assets.xcassets/AppIcon.appiconset/AppIcon128x128@1x.png b/macos/Runner/Assets.xcassets/AppIcon.appiconset/AppIcon128x128@1x.png
index 96b104a..5ceba86 100644
Binary files a/macos/Runner/Assets.xcassets/AppIcon.appiconset/AppIcon128x128@1x.png and b/macos/Runner/Assets.xcassets/AppIcon.appiconset/AppIcon128x128@1x.png differ
diff --git a/macos/Runner/Assets.xcassets/AppIcon.appiconset/AppIcon128x128@2x.png b/macos/Runner/Assets.xcassets/AppIcon.appiconset/AppIcon128x128@2x.png
index 4e9b77c..b99eb52 100644
Binary files a/macos/Runner/Assets.xcassets/AppIcon.appiconset/AppIcon128x128@2x.png and b/macos/Runner/Assets.xcassets/AppIcon.appiconset/AppIcon128x128@2x.png differ
diff --git a/macos/Runner/Assets.xcassets/AppIcon.appiconset/AppIcon256x256@1x.png b/macos/Runner/Assets.xcassets/AppIcon.appiconset/AppIcon256x256@1x.png
index 4e9b77c..b99eb52 100644
Binary files a/macos/Runner/Assets.xcassets/AppIcon.appiconset/AppIcon256x256@1x.png and b/macos/Runner/Assets.xcassets/AppIcon.appiconset/AppIcon256x256@1x.png differ
diff --git a/macos/Runner/Assets.xcassets/AppIcon.appiconset/AppIcon256x256@2x.png b/macos/Runner/Assets.xcassets/AppIcon.appiconset/AppIcon256x256@2x.png
index 0a0fdbd..95fc14f 100644
Binary files a/macos/Runner/Assets.xcassets/AppIcon.appiconset/AppIcon256x256@2x.png and b/macos/Runner/Assets.xcassets/AppIcon.appiconset/AppIcon256x256@2x.png differ
diff --git a/macos/Runner/Assets.xcassets/AppIcon.appiconset/AppIcon32x32@2x.png b/macos/Runner/Assets.xcassets/AppIcon.appiconset/AppIcon32x32@2x.png
index 25ba728..405514e 100644
Binary files a/macos/Runner/Assets.xcassets/AppIcon.appiconset/AppIcon32x32@2x.png and b/macos/Runner/Assets.xcassets/AppIcon.appiconset/AppIcon32x32@2x.png differ
diff --git a/macos/Runner/Assets.xcassets/AppIcon.appiconset/AppIcon512x512@1x.png b/macos/Runner/Assets.xcassets/AppIcon.appiconset/AppIcon512x512@1x.png
index 0a0fdbd..95fc14f 100644
Binary files a/macos/Runner/Assets.xcassets/AppIcon.appiconset/AppIcon512x512@1x.png and b/macos/Runner/Assets.xcassets/AppIcon.appiconset/AppIcon512x512@1x.png differ
diff --git a/macos/Runner/Assets.xcassets/AppIcon.appiconset/AppIcon512x512@2x.png b/macos/Runner/Assets.xcassets/AppIcon.appiconset/AppIcon512x512@2x.png
index 90ad242..649d4d2 100644
Binary files a/macos/Runner/Assets.xcassets/AppIcon.appiconset/AppIcon512x512@2x.png and b/macos/Runner/Assets.xcassets/AppIcon.appiconset/AppIcon512x512@2x.png differ
diff --git a/windows/runner/resources/app_icon.png b/windows/runner/resources/app_icon.png
index d3baabb..94689a4 100644
Binary files a/windows/runner/resources/app_icon.png and b/windows/runner/resources/app_icon.png differ