diff --git a/README.md b/README.md
index 78f426d6..bcc8d403 100644
--- a/README.md
+++ b/README.md
@@ -9,10 +9,10 @@
 [Download Firefox](https://www.mozilla.org/en-US/firefox/all/#product-desktop-release) / [Download WaveFox](https://github.com/QNetITQ/WaveFox/releases) / [WaveFox Nightly](https://github.com/QNetITQ/WaveFox/tree/WaveFox-Nightly)
 
 <details>
-  <summary>WaveFox Nova v0.8.157</summary>
+  <summary>WaveFox Nova v0.8.158</summary>
 
 - ##### Minimum Requirements
-  - Firefox 157
+  - Firefox 158
   - Windows / MacOS / Linux
 
 - Download the `chrome` folder and put it in your user profile folder
diff --git a/chrome/modules/horizontal_tabs/wavefox_main_window_and_subobjects.css b/chrome/modules/horizontal_tabs/wavefox_main_window_and_subobjects.css
index e99090d4..8bf12ddd 100644
--- a/chrome/modules/horizontal_tabs/wavefox_main_window_and_subobjects.css
+++ b/chrome/modules/horizontal_tabs/wavefox_main_window_and_subobjects.css
@@ -1,11 +1,11 @@
 /* OS System Theme */
 
 @media -moz-pref("WaveFox.HorizontalTabs.OS.SystemTheme") and
-       -moz-pref("extensions.activeThemeID", 'default-theme@mozilla.org') and
-       (-moz-native-theme)
+       -moz-pref("extensions.activeThemeID", 'default-theme@mozilla.org')
 {
     #main-window,
-    body
+    body,
+    #navigator-toolbox
     {
         background-color: transparent !important;
         background-image: none !important;
diff --git a/chrome/modules/horizontal_tabs/wavefox_tab_media_icons_and_text.css b/chrome/modules/horizontal_tabs/wavefox_tab_media_icons_and_text.css
index 9b4ab5cf..2a25ce11 100644
--- a/chrome/modules/horizontal_tabs/wavefox_tab_media_icons_and_text.css
+++ b/chrome/modules/horizontal_tabs/wavefox_tab_media_icons_and_text.css
@@ -35,7 +35,7 @@ tab-split-view-wrapper
         top: 8px !important;
         inset-inline-end: 0px !important;
         box-shadow: none !important;
-        border: none !important;
+        outline: none !important;
         border-radius: 50px !important;
 
         &:hover
diff --git a/chrome/userChrome.css b/chrome/userChrome.css
index 41bb3556..0553dddc 100644
--- a/chrome/userChrome.css
+++ b/chrome/userChrome.css
@@ -31,4 +31,4 @@
 @import "modules/vertical_tabs/wavefox_tab_media_icons_and_text.css"     layer(BasicPriority) /* supports() */ -moz-pref("sidebar.verticalTabs!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!", true);
 @import "modules/vertical_tabs/wavefox_toolbar_buttons.css"              layer(BasicPriority) /* supports() */ -moz-pref("sidebar.verticalTabs", true);
 
-/* ---------------------------------------- Third-party styles (Maximum priority) ---------------------------------------- */
+/* ---------------------------------------- Third-party styles (Maximum priority) ---------------------------------------- */