diff --git a/README.md b/README.md
index 24bbb4c..c8eefad 100644
--- a/README.md
+++ b/README.md
@@ -10,19 +10,22 @@ A Firefox userChrome.css theme that aims to recreate the look and feel of the Ch
 3. Go to about:config and change these preferences:
 
    ### For all operating systems:
-   1. `toolkit.legacyUserProfileCustomizations.stylesheets` = `true`
-   2. `svg.context-properties.content.enabled` = `true`
-   3. `layout.css.color-mix.enabled` = `true`
+   * `toolkit.legacyUserProfileCustomizations.stylesheets` = `true`
+   * `svg.context-properties.content.enabled` = `true`
+   * `layout.css.color-mix.enabled` = `true`
+
+   ### Firefox 119.0 and above:
+   * `layout.css.light-dark.enabled` = `true`
 
    ### On macOS:
-   1. To use the Edge style context menu on macOS then set `widget.macos.native-context-menus` = `false`
+   * To use the Edge style context menu on macOS then set `widget.macos.native-context-menus` = `false`
 
    ### Recommended:
-   1. `browser.tabs.tabMinWidth` = `66`
-   2. `browser.tabs.tabClipWidth` = `86`
+   * `browser.tabs.tabMinWidth` = `66`
+   * `browser.tabs.tabClipWidth` = `86`
 
    ### Optional:
-   1. To use the light theme in private browsing mode set `browser.theme.dark-private-windows` = `false`
+   * To use the light theme in private browsing mode set `browser.theme.dark-private-windows` = `false`
 
    Additional tweaks can also be applied to the theme, such as Mica (Windows 11 Only), Floating Tabs and more. See [Tweaks](#tweaks).
 
@@ -70,6 +73,7 @@ To disable a tweak, set the key to `false` or delete it, then restart the browse
 
 | enable Mica toolbar background *(Windows 11 only)*                  |
 | ------------------------------------------------------------------- |
+| **BROKEN ON NEWER VERSIONS OF FIREFOX**                             |
 | **See [Mica Tweak Instructions][3] for installation instructions.** |
 | **NOTE: Only works on default theme: 'System theme - auto'**        |
 | `uc.tweak.win11-mica`                                               |
@@ -102,6 +106,7 @@ To disable a tweak, set the key to `false` or delete it, then restart the browse
 | `uc.tweak.show-tab-close-button-on-hover`                         |
 
 ## Mica Tweak Instructions (Windows 11 Only)
+NOTE: Broken on newer versions of Firefox.
 1. Download and install [Mica For Everyone][2].
 2. Create a custom process rule with the following:
    1. Name: `firefox`
diff --git a/chrome/content/common.css b/chrome/content/common.css
index 469f685..46d324a 100644
--- a/chrome/content/common.css
+++ b/chrome/content/common.css
@@ -1,4 +1,4 @@
-/* EdgeFr-Fox by bmFtZQ - content/common.css */
+/* Edge-Frfox - content/common.css */
 
 /* colours */
 @-moz-document url-prefix(about:) {
diff --git a/chrome/content/newtab.css b/chrome/content/newtab.css
index bddfe20..399cee2 100644
--- a/chrome/content/newtab.css
+++ b/chrome/content/newtab.css
@@ -1,11 +1,10 @@
-/* EdgeFr-Fox by bmFtZQ - content/newtab.css */
+/* Edge-Frfox - content/newtab.css */
 
 /* colours */
 @-moz-document url-prefix("about:newtab"),
 url-prefix("about:home"),
 url-prefix("about:firefoxview") {
-  :root:not([lwt-newtab]) > body:not([lwt-newtab]),
-  :is(:root, body)[style*="--newtab-background-color: rgb(249, 249, 251)"] {
+  :root:not([lwt-newtab], [lwt-newtab-brighttext]) {
     --newtab-background-color: #F7F7F7 !important;
     --newtab-background-color-secondary: #fff !important;
     --newtab-text-primary-color: #252525 !important;
@@ -33,8 +32,7 @@ url-prefix("about:firefoxview") {
     --newtab-button-secondary-color: inherit !important;
   }
 
-  :is(:root, body)[style*="--newtab-background-color: rgb(43, 42, 51)"][lwt-newtab-brighttext],
-  :is(:root, body):not([style*="color"])[lwt-newtab-brighttext] {
+  :root:not([style*="color"])[lwt-newtab-brighttext] {
     --newtab-background-color: #252525 !important;
     --newtab-background-color-secondary: #4A4A4A !important;
     --newtab-text-primary-color: #fff !important;
diff --git a/chrome/global/browser.css b/chrome/global/browser.css
index b5572ae..647a4bd 100644
--- a/chrome/global/browser.css
+++ b/chrome/global/browser.css
@@ -1,4 +1,4 @@
-/* EdgeFr-Fox 2 - browser */
+/* Edge-Frfox - browser.css */
 
 @supports (-moz-bool-pref("uc.tweak.floating-tabs")) {
   :root {
diff --git a/chrome/global/colors.css b/chrome/global/colors.css
index 2be755b..a4219dd 100644
--- a/chrome/global/colors.css
+++ b/chrome/global/colors.css
@@ -1,138 +1,78 @@
-/* EdgeFr-Fox by bmFtZQ - colors.css */
+/* Edge-Frfox - colors.css */
 
-/* light */
+/* default colours (light & dark) */
 :root:not(:-moz-lwtheme),
-:root[style*="--lwt-accent-color: rgb(240, 240, 244)"] {
-  --lwt-accent-color: #cecece !important;
-  --lwt-accent-color-inactive: #e8e8e8 !important;
-  --lwt-text-color: #000 !important;
-  --toolbar-bgcolor: #f7f7f7 !important;
-  --toolbar-color: #000 !important;
-  --toolbarbutton-icon-fill: #000 !important;
-  --chrome-content-separator-color: #bfbfbf !important;
-  --lwt-toolbarbutton-icon-fill-attention: #0078D4 !important;
-  --toolbarbutton-icon-fill-attention: #0078D4 !important;
+:root[privatebrowsingmode="temporary"][style*="--lwt-accent-color: rgb(28, 27, 34)"] {
+  --lwt-accent-color: light-dark(#cecece, #1C1C1C) !important;
+  --lwt-accent-color-inactive: light-dark(#e8e8e8, #2e2e2e) !important;
+  --lwt-text-color: light-dark(#000, #E5E5E5) !important;
+  --toolbar-bgcolor: light-dark(#f7f7f7, #3B3B3B) !important;
+  --toolbar-color: light-dark(#000, #fff) !important;
+  --toolbarbutton-icon-fill: light-dark(#000, #fff) !important;
+  --chrome-content-separator-color: light-dark(#bfbfbf, #686868) !important;
+  --lwt-toolbarbutton-icon-fill-attention: light-dark(#0078D4, #4C98D1) !important;
+  --toolbarbutton-icon-fill-attention: light-dark(#0078D4, #4C98D1) !important;
   --lwt-tab-text: var(--toolbar-color) !important;
-  --lwt-selected-tab-background-color: var(--toolbar-bgcolor) !important;
-  --tab-selected-bgcolor: var(--toolbar-bgcolor) !important;
-  --toolbar-field-background-color: #fff !important;
-  --toolbar-field-color: #000 !important;
-  --toolbar-field-border-color: #0000 !important;
+  --lwt-selected-tab-background-color: unset !important;
+  --tab-selected-bgcolor: unset !important;
+  --toolbar-field-background-color: light-dark(#fff, #2B2B2B) !important;
+  --toolbar-field-color: light-dark(#000, #fff) !important;
+  --toolbar-field-border-color: light-dark(#0000, #0000) !important;
   --toolbar-field-focus-background-color: var(--toolbar-field-background-color) !important;
   --toolbar-field-focus-color: var(--toolbar-field-color) !important;
-  --toolbar-field-focus-border-color: #0055D7 !important;
-  --urlbar-hover-highlight-color: rgba(192, 192, 192, 0.5) !important;
-  --urlbar-box-bgcolor: rgba(0, 0, 0, 0.09) !important;
-  --urlbar-box-hover-bgcolor: rgba(0, 0, 0, 0.09) !important;
-  --urlbar-box-focus-bgcolor: rgba(0, 0, 0, 0.22) !important;
-  --urlbar-icon-fill-opacity: 0.6 !important;
-  --urlbar-popup-url-color: #0072C9 !important;
+  --toolbar-field-focus-border-color: light-dark(#0055D7, #63ADE5) !important;
+  --urlbar-hover-highlight-color: light-dark(rgba(192, 192, 192, 0.5), rgba(128, 128, 128, 0.5)) !important;
+  --urlbar-box-bgcolor: light-dark(rgba(0, 0, 0, 0.09), rgba(255, 255, 255, 0.11)) !important;
+  --urlbar-box-hover-bgcolor: light-dark(rgba(0, 0, 0, 0.09), rgba(255, 255, 255, 0.11)) !important;
+  --urlbar-box-focus-bgcolor: light-dark(rgba(0, 0, 0, 0.22), rgba(255, 255, 255, 0.28)) !important;
+  --urlbar-icon-fill-opacity: 1 !important;
+  --urlbar-popup-url-color: light-dark(#0072C9, #75B6E8) !important;
   --lwt-brighttext-url-color: var(--urlbar-popup-url-color) !important;
-  --autocomplete-popup-background: #fff !important;
-  --autocomplete-popup-color: #fff !important;
-  --autocomplete-popup-highlight-background: #f2f2f2 !important;
-  --autocomplete-popup-hover-background: #e5e5e5 !important;
-  --autocomplete-popup-separator-color: #dadada00 !important;
-  --button-bgcolor: #EDEDED !important;
-  --button-hover-bgcolor: #e5e5e5 !important;
-  --button-active-bgcolor: #d5d5d5 !important;
-  --button-primary-bgcolor: #0078D4 !important;
-  --button-primary-hover-bgcolor: #006CBE !important;
-  --button-primary-active-bgcolor: #1683D8 !important;
-  --button-primary-color: #fff !important;
-  --error-text-color: #FF9AA2 !important;
-  --input-bgcolor: #fff !important;
-  --input-color: #2b2b2b !important;
-  --input-border-color: #bebebe !important;
-  --input-error-border-color: #FF848A !important;
-  --zoom-controls-bgcolor: #4A4A4A !important;
-  --arrowpanel-background: #fff !important;
-  --arrowpanel-color: #1c1c1c !important;
-  --panel-description-color: #000a !important;
-  --panel-disabled-color: #9E9E9E !important;
-  --arrowpanel-dimmed: #565656 !important;
-  --arrowpanel-dimmed-further: #707070 !important;
-  --panel-item-hover-bgcolor: #eee !important;
-  --panel-item-active-bgcolor: #ddd !important;
-  --arrowpanel-border-color: #dadada !important;
-  --panel-separator-color: #dadada !important;
-  --panel-banner-item-update-supported-bgcolor: #188038 !important;
-  --focus-outline-color: #0055D7 !important;
+  --autocomplete-popup-background: light-dark(#fff, #4A4A4A) !important;
+  --autocomplete-popup-color: light-dark(#fff, #fff) !important;
+  --autocomplete-popup-highlight-background: light-dark(#f2f2f2, #383838) !important;
+  --autocomplete-popup-hover-background: light-dark(#e5e5e5, #444444) !important;
+  --autocomplete-popup-separator-color: light-dark(#dadada00, #63636300) !important;
+  --button-bgcolor: light-dark(#EDEDED, #5C5C5C) !important;
+  --button-hover-bgcolor: light-dark(#e5e5e5, #646464) !important;
+  --button-active-bgcolor: light-dark(#d5d5d5, #575757) !important;
+  --button-primary-bgcolor: light-dark(#0078D4, #006CBE) !important;
+  --button-primary-hover-bgcolor: light-dark(#006CBE, #0078D4) !important;
+  --button-primary-active-bgcolor: light-dark(#1683D8, #005CA3) !important;
+  --button-primary-color: light-dark(#fff, #fff) !important;
+  --error-text-color: light-dark(#FF9AA2, #FF9AA2) !important;
+  --input-bgcolor: light-dark(#fff, #4A4A4A) !important;
+  --input-color: light-dark(#2b2b2b, #fff) !important;
+  --input-border-color: light-dark(#bebebe, #8A8A8A) !important;
+  --input-error-border-color: light-dark(#FF848A, #FF848A) !important;
+  --zoom-controls-bgcolor: light-dark(#4A4A4A, #4A4A4A) !important;
+  --arrowpanel-background: light-dark(#fff, #4A4A4A) !important;
+  --arrowpanel-color: light-dark(#1c1c1c, #fff) !important;
+  --panel-description-color: light-dark(#000a, #fffb) !important;
+  --panel-disabled-color: light-dark(#9E9E9E, #ABABAA) !important;
+  --arrowpanel-dimmed: light-dark(#565656, #565656) !important;
+  --arrowpanel-dimmed-further: light-dark(#707070, #707070) !important;
+  --panel-item-hover-bgcolor: light-dark(#eee, #646464) !important;
+  --panel-item-active-bgcolor: light-dark(#ddd, #747474) !important;
+  --arrowpanel-border-color: light-dark(#dadada, #636363) !important;
+  --panel-separator-color: light-dark(#dadada, #636363) !important;
+  --panel-banner-item-update-supported-bgcolor: light-dark(#188038, #81C995) !important;
+  --focus-outline-color: light-dark(#0055D7, #63ADE5) !important;
   --panel-shortcut-color: inherit !important;
   --uc-urlbar-shadow: 0 0 4px rgba(0, 0, 0, 0.1);
-  --toolbarbutton-hover-background: rgba(0, 0, 0, 0.08) !important;
-  --toolbarbutton-active-background: rgba(0, 0, 0, 0.12) !important;
+  --toolbarbutton-hover-background: light-dark(rgba(0, 0, 0, 0.08), rgba(255, 255, 255, 0.1)) !important;
+  --toolbarbutton-active-background: light-dark(rgba(0, 0, 0, 0.12), rgba(255, 255, 255, 0.16)) !important;
   --uc-private-browsing-indicator: var(--button-primary-bgcolor);
   --uc-private-browsing-indicator-text: var(--button-primary-color);
-  --tab-icon-overlay-stroke: #fff !important;
-  --tab-icon-overlay-fill: #252525 !important;
+  --tab-icon-overlay-stroke: light-dark(#fff, #4b4b4b) !important;
+  --tab-icon-overlay-fill: light-dark(#252525, #fff) !important;
 }
 
-/* dark */
-:root[lwt-default-theme-in-dark-mode="true"],
-:root[style*="--lwt-accent-color: rgb(28, 27, 34)"] {
-  --lwt-accent-color: #1C1C1C !important;
-  --lwt-accent-color-inactive: #2e2e2e !important;
-  --lwt-text-color: #E5E5E5 !important;
-  --toolbar-bgcolor: #3B3B3B !important;
-  --toolbar-color: #fff !important;
-  --toolbarbutton-icon-fill: #fff !important;
-  --chrome-content-separator-color: #686868 !important;
-  --lwt-toolbarbutton-icon-fill-attention: #4C98D1 !important;
-  --toolbarbutton-icon-fill-attention: #4C98D1 !important;
-  --lwt-tab-text: var(--toolbar-color) !important;
-  --lwt-selected-tab-background-color: var(--toolbar-bgcolor) !important;
-  --tab-selected-bgcolor: var(--toolbar-bgcolor) !important;
-  --toolbar-field-background-color: #2B2B2B !important;
-  --toolbar-field-color: #fff !important;
-  --toolbar-field-border-color: #0000 !important;
-  --toolbar-field-focus-background-color: var(--toolbar-field-background-color) !important;
-  --toolbar-field-focus-color: var(--toolbar-field-color) !important;
-  --toolbar-field-focus-border-color: #63ADE5 !important;
-  --urlbar-hover-highlight-color: rgba(128, 128, 128, 0.5) !important;
-  --urlbar-box-bgcolor: rgba(255, 255, 255, 0.11) !important;
-  --urlbar-box-hover-bgcolor: rgba(255, 255, 255, 0.11) !important;
-  --urlbar-box-focus-bgcolor: rgba(255, 255, 255, 0.28) !important;
-  --urlbar-icon-fill-opacity: 1 !important;
-  --urlbar-popup-url-color: #75B6E8 !important;
-  --lwt-brighttext-url-color: var(--urlbar-popup-url-color) !important;
-  --autocomplete-popup-background: #4A4A4A !important;
-  --autocomplete-popup-color: #fff !important;
-  --autocomplete-popup-highlight-background: #383838 !important;
-  --autocomplete-popup-hover-background: #444444 !important;
-  --autocomplete-popup-separator-color: #63636300 !important;
-  --button-bgcolor: #5C5C5C !important;
-  --button-hover-bgcolor: #646464 !important;
-  --button-active-bgcolor: #575757 !important;
-  --button-primary-bgcolor: #006CBE !important;
-  --button-primary-hover-bgcolor: #0078D4 !important;
-  --button-primary-active-bgcolor: #005CA3 !important;
-  --button-primary-color: #fff !important;
-  --error-text-color: #FF9AA2 !important;
-  --input-bgcolor: #4A4A4A !important;
-  --input-color: #fff !important;
-  --input-border-color: #8A8A8A !important;
-  --input-error-border-color: #FF848A !important;
-  --zoom-controls-bgcolor: #4A4A4A !important;
-  --arrowpanel-background: #4A4A4A !important;
-  --arrowpanel-color: #fff !important;
-  --panel-description-color: #fffb !important;
-  --panel-disabled-color: #ABABAA !important;
-  --arrowpanel-dimmed: #565656 !important;
-  --arrowpanel-dimmed-further: #707070 !important;
-  --panel-item-hover-bgcolor: #646464 !important;
-  --panel-item-active-bgcolor: #747474 !important;
-  --arrowpanel-border-color: #636363 !important;
-  --panel-separator-color: #636363 !important;
-  --panel-banner-item-update-supported-bgcolor: #81C995 !important;
-  --focus-outline-color: #63ADE5 !important;
-  --panel-shortcut-color: inherit !important;
-  --toolbarbutton-hover-background: rgba(255, 255, 255, 0.1) !important;
-  --toolbarbutton-active-background: rgba(255, 255, 255, 0.16) !important;
-  --uc-private-browsing-indicator: var(--button-primary-bgcolor);
-  --uc-private-browsing-indicator-text: var(--button-primary-color);
-  --tab-icon-overlay-stroke: #4b4b4b !important;
-  --tab-icon-overlay-fill: #fff !important;
+/* ensure that dark mode is enabled completely in private browsing mode. */
+:root[privatebrowsingmode="temporary"],
+:root[privatebrowsingmode="temporary"] #nav-bar,
+:root[privatebrowsingmode="temporary"] #PersonalToolbar {
+  color-scheme: dark !important;
 }
 
 #urlbar {
@@ -142,38 +82,20 @@
 }
 
 /* Change Colour of page when loading */
-:root:not(:-moz-lwtheme) #tabbrowser-tabpanels,
-:root[style*="--lwt-accent-color: rgb(240, 240, 244)"] #tabbrowser-tabpanels {
-  background-color: #f7f7f7 !important;
-}
-
-:root[lwt-default-theme-in-dark-mode="true"] #tabbrowser-tabpanels,
-:root[style*="--lwt-accent-color: rgb(28, 27, 34)"] #tabbrowser-tabpanels {
-  background-color: #252525 !important;
+:root:not(:-moz-lwtheme) #tabbrowser-tabpanels {
+  background-color: light-dark(#f7f7f7, #252525) !important;
 }
 
 /* make the titlebar buttons black/white on default themes */
-:root:not(:-moz-lwtheme)[tabsintitlebar] .titlebar-buttonbox,
-:root[style*="--lwt-accent-color: rgb(240, 240, 244)"][tabsintitlebar] .titlebar-buttonbox {
-  color: #000 !important;
-}
-
-:root[lwt-default-theme-in-dark-mode="true"][tabsintitlebar] .titlebar-buttonbox,
-:root[style*="--lwt-accent-color: rgb(28, 27, 34)"][tabsintitlebar] .titlebar-buttonbox {
-  color: #fff !important;
+:root:not(:-moz-lwtheme)[tabsintitlebar] .titlebar-buttonbox {
+  color: light-dark(#000, #fff) !important;
 }
 
 #statuspanel-label {
   background-color: var(--toolbar-field-focus-background-color) !important;
   color: var(--toolbar-field-focus-color) !important;
   border-color: transparent !important;
-  box-shadow: 0 2px 5px #0004, 0 0 0 1px #0002 !important;
-}
-
-@media (prefers-color-scheme: dark) {
-  #statuspanel-label {
-    box-shadow: 0 2px 5px #0004, 0 0 0 1px #0004 !important;
-  }
+  box-shadow: 0 2px 5px #0004, 0 0 0 1px light-dark(#0002, #0004) !important;
 }
 
 @media (-moz-platform: windows) {
@@ -275,57 +197,33 @@
 
 /* side bar theme */
 #sidebar-box:not([lwt-sidebar]) {
-  --sidebar-background-color: #f7f7f7 !important;
-  --sidebar-text-color: #000 !important;
+  --sidebar-background-color: light-dark(#f7f7f7, #3b3b3b) !important;
+  --sidebar-text-color: light-dark(#000, #fff) !important;
   appearance: none !important;
 }
 
-#sidebar-box[style*="--sidebar-background-color: rgb(56, 56, 61"] {
-  --sidebar-background-color: #3B3B3B !important;
-  --sidebar-text-color: #fff !important;
-}
-
 #browser:not([style*="--sidebar-border-color"]) {
-  --sidebar-border-color: #bfbfbf !important;
-}
-
-#browser[style*="--sidebar-border-color: rgba(255, 255, 255"] {
-  --sidebar-border-color: #686868 !important;
+  --sidebar-border-color: light-dark(#bfbfbf, #686868) !important;
 }
 
 .sidebar-panel:not([lwt-sidebar]) {
-  color: #000 !important;
+  color: light-dark(#000, #fff) !important;
+  scrollbar-color: light-dark(#0006, #fff6) light-dark(#f7f7f740, #3b3b3b40) !important;
 }
 
 @-moz-document url(chrome://browser/content/syncedtabs/sidebar.xhtml){
-body {
-  background: transparent !important;
-}
-}
-
-.sidebar-panel[lwt-sidebar-brighttext][style*="--lwt-sidebar-background-color: rgb(56, 56, 61)"],
-body[lwt-sidebar-brighttext][style*="--lwt-sidebar-background-color: rgb(56, 56, 61)"] {
-  --lwt-sidebar-background-color: #3B3B3B !important;
-  --lwt-sidebar-text-color: #fff !important;
-  scrollbar-color: #fff6 #3B3B3B40 !important;
+  body {
+    background: transparent !important;
+  }
 }
 
 @media(-moz-platform: windows) {
   .sidebar-panel:not([lwt-sidebar]) #sidebar-search-container>#search-box,
   .sidebar-panel:not([lwt-sidebar]) #viewButton {
     appearance: none !important;
-    background-color: #fff !important;
+    background-color: light-dark(#fff, #2b2b2b) !important;
     color: inherit !important;
-    border: 1px solid #bfbfbf !important;
-    border-radius: 2px !important;
-  }
-
-  .sidebar-panel[lwt-sidebar-brighttext][style*="--lwt-sidebar-background-color: rgb(56, 56, 61)"] #sidebar-search-container>#search-box,
-  .sidebar-panel[lwt-sidebar-brighttext][style*="--lwt-sidebar-background-color: rgb(56, 56, 61)"] #viewButton {
-    appearance: none !important;
-    background-color: #2B2B2B !important;
-    color: inherit !important;
-    border: 1px solid #686868 !important;
+    border: 1px solid light-dark(#bfbfbf, #686868) !important;
     border-radius: 2px !important;
   }
 }
diff --git a/chrome/global/popup.css b/chrome/global/popup.css
index 6b8f31d..73c1976 100644
--- a/chrome/global/popup.css
+++ b/chrome/global/popup.css
@@ -1,4 +1,4 @@
-/* EdgeFr-Fox by bmFtZQ - popup.css */
+/* Edge-Frfox - popup.css */
 
 :root {
   --panel-subview-body-padding: 2px 0 !important;
diff --git a/chrome/global/tweaks.css b/chrome/global/tweaks.css
index e9550f1..baf00d5 100644
--- a/chrome/global/tweaks.css
+++ b/chrome/global/tweaks.css
@@ -1,4 +1,4 @@
-/* EdgeFr-Fox by bmFtZQ - tweaks.css */
+/* Edge-Frfox - tweaks.css */
 
 /* disable drag space above tabs */
 @supports -moz-bool-pref("uc.tweak.disable-drag-space") {
@@ -28,21 +28,14 @@ bugs with certain themes eg. dark text on dark background.) */
 
 @supports -moz-bool-pref("uc.tweak.floating-tabs") {
   :root:not(:-moz-lwtheme),
-  :root[style*="--lwt-accent-color: rgb(240, 240, 244)"] {
-    --lwt-accent-color: #f3f3f3 !important;
+  :root[privatebrowsingmode="temporary"][style*="--lwt-accent-color: rgb(28, 27, 34)"] {
+    --lwt-accent-color: light-dark(#f3f3f3, #202020) !important;
     --lwt-accent-color-inactive: unset !important;
-    --toolbar-bgcolor: #fff !important;
-    --lwt-tab-text: #262626 !important;
+    --toolbar-bgcolor: light-dark(#fff, #4D4D4D) !important;
+    --lwt-tab-text: light-dark(#262626, #fff) !important;
+    --chrome-content-separator-color: light-dark(#bfbfbf, #535353) !important;
     --uc-urlbar-shadow: none !important;
-  }
-
-  :root[lwt-default-theme-in-dark-mode="true"],
-  :root[style*="--lwt-accent-color: rgb(28, 27, 34)"] {
-    --lwt-accent-color: #202020 !important;
-    --toolbar-bgcolor: #4D4D4D !important;
-    --lwt-accent-color-inactive: unset !important;
-    --chrome-content-separator-color: #535353 !important;
-    --uc-tab-border-color: #ffffff0f !important;
+    --uc-tab-border-color: light-dark(#0000, #fff1) !important;
   }
 
   @media (-moz-gtk-csd-available) {
@@ -142,9 +135,10 @@ bugs with certain themes eg. dark text on dark background.) */
   }
 }
 
-@media (-moz-windows-compositor) {
+/* Mica broken on newer versions of Firefox */
+/* Uncomment to enable, only works for Firefox versions lower than 115 */
+/* @media (-moz-platform: windows) {
   @supports -moz-bool-pref("uc.tweak.win11-mica") {
-    /* enable mica appearance */
     #main-window:not([inFullscreen]):not(:-moz-lwtheme),
     #main-window:not([inFullscreen])[lwt-default-theme-in-dark-mode="true"] {
       appearance: -moz-win-borderless-glass !important;
@@ -155,12 +149,9 @@ bugs with certain themes eg. dark text on dark background.) */
       background: transparent !important;
     }
 
-    /* force tab color (for the tab transparency) */
     .tab-background:is([selected], [multiselected]) {
       background: var(--toolbar-bgcolor) !important;
     }
-
-    /* color adjustments */
     :root:not([inFullscreen]):not(:-moz-lwtheme):not(:-moz-window-inactive) {
       --lwt-accent-color: #00000020 !important;
     }
@@ -177,7 +168,6 @@ bugs with certain themes eg. dark text on dark background.) */
       }
     }
 
-    /* line up buttons with duplicate icons from -moz-win-glass */
     :root:is(:not(:-moz-lwtheme), [lwt-default-theme-in-dark-mode="true"]) .titlebar-buttonbox-container {
       --uc-titlebar-button-size: 30px;
       --uc-titlebar-size: calc(var(--tab-min-height) + var(--tab-block-margin));
@@ -196,7 +186,7 @@ bugs with certain themes eg. dark text on dark background.) */
       padding-right: 19px !important;
     }
   }
-}
+} */
 
 @media not (-moz-platform: macos) {
   @supports not -moz-bool-pref("uc.tweak.revert-context-menu") {
diff --git a/chrome/icons/icons.css b/chrome/icons/icons.css
index 2868cb1..101cea3 100644
--- a/chrome/icons/icons.css
+++ b/chrome/icons/icons.css
@@ -1,8 +1,8 @@
-/* EdgeFr-Fox by bmFtZQ - icons.css */
+/* Edge-Frfox - icons.css */
 
 /* windows 11 style window controls (no known way to detect between windows 10
 and 11 so applied to both) */
-@media (-moz-windows-compositor),
+@media (-moz-platform: windows),
 (-moz-gtk-csd-available) {
   .titlebar-min {
     list-style-image: url("win11-minimize.svg") !important;
@@ -23,7 +23,7 @@ and 11 so applied to both) */
   /* darkmode icon that uses thicker strokes and is easier to see (only needed
   at 1x scale) */
   @media (max-resolution: 1dppx) {
-    :root[lwtheme-brighttext="true"] .titlebar-close,
+    toolbar[brighttext] .titlebar-close,
     .titlebar-close:hover {
       list-style-image: url("win11-close-dark.svg") !important;
     }
diff --git a/chrome/toolbar/findbar.css b/chrome/toolbar/findbar.css
index 909b778..87bb8ba 100644
--- a/chrome/toolbar/findbar.css
+++ b/chrome/toolbar/findbar.css
@@ -1,4 +1,4 @@
-/* EdgeFr-Fox by bmFtZQ - findbar.css */
+/* Edge-Frfox - findbar.css */
 
 .findbar-find-previous,
 .findbar-find-next,
diff --git a/chrome/toolbar/navbar.css b/chrome/toolbar/navbar.css
index 10a832b..1eba8a2 100644
--- a/chrome/toolbar/navbar.css
+++ b/chrome/toolbar/navbar.css
@@ -1,4 +1,4 @@
-/* EdgeFr-Fox by bmFtZQ - navbar.css */
+/* Edge-Frfox - navbar.css */
 
 :root {
   --toolbarbutton-border-radius: 4px !important;
diff --git a/chrome/toolbar/personalbar.css b/chrome/toolbar/personalbar.css
index f7127ee..0051896 100644
--- a/chrome/toolbar/personalbar.css
+++ b/chrome/toolbar/personalbar.css
@@ -1,4 +1,4 @@
-/* EdgeFr-Fox by bmFtZQ - personalbar.css */
+/* Edge-Frfox - personalbar.css */
 
 #PersonalToolbar {
   --bookmark-block-padding: 6px !important;
diff --git a/chrome/toolbar/tabbar.css b/chrome/toolbar/tabbar.css
index dea2bbc..30e5668 100644
--- a/chrome/toolbar/tabbar.css
+++ b/chrome/toolbar/tabbar.css
@@ -1,4 +1,4 @@
-/* EdgeFr-Fox 2 - tabbar */
+/* Edge-Frfox - tabbar.css */
 
 @supports -moz-bool-pref("uc.tweak.floating-tabs.equal-margin") and -moz-bool-pref("uc.tweak.floating-tabs") {
   :root #titlebar {
@@ -86,31 +86,17 @@
   box-shadow: -4px 4px 0 4px var(--uc-tab-corner-bg) !important;
 }
 
-.tabbrowser-tab[selected="true"] .tab-background {
-  --uc-tab-corner-bg: var(--lwt-selected-tab-background-color, var(--toolbar-bgcolor));
-}
-
 .tab-background:is([selected], [multiselected]) {
-  --uc-tab-corner-bg: var(--tab-selected-bgcolor, var(--toolbar-bgcolor));
+  --uc-tab-corner-bg: var(--tab-selected-bgcolor, var(--lwt-selected-tab-background-color, var(--toolbar-bgcolor)));
 }
 
-#tabbrowser-tabs:not([movingtab])>#tabbrowser-arrowscrollbox>.tabbrowser-tab>.tab-stack>.tab-background[multiselected="true"]:-moz-lwtheme,
-#tabbrowser-tabs:not([movingtab])>#tabbrowser-arrowscrollbox>.tabbrowser-tab>.tab-stack>.tab-background[selected="true"]:-moz-lwtheme {
-  background-image: linear-gradient(var(--lwt-selected-tab-background-color, transparent), var(--lwt-selected-tab-background-color, transparent)), linear-gradient(var(--toolbar-bgcolor), var(--toolbar-bgcolor)), var(--lwt-header-image, none);
-  --uc-tab-corner-bg: var(--lwt-selected-tab-background-color, var(--toolbar-bgcolor));
-}
-
-.tabbrowser-tab .tab-background:is([selected], [multiselected]) {
-  --uc-tab-corner-bg: var(--tab-selected-bgcolor, var(--toolbar-bgcolor));
-}
-
-.tabbrowser-tab:hover>.tab-stack>.tab-background:not([selected="true"], [multiselected]) {
+.tabbrowser-tab:hover .tab-background:not([selected], [multiselected]) {
   background-color: color-mix(in srgb, currentColor 8%, transparent) !important;
   --uc-tab-corner-bg: color-mix(in srgb, currentColor 8%, transparent) !important;
 }
 
 @supports not -moz-bool-pref("uc.tweak.floating-tabs") {
-  :root:not([lwtheme-brighttext="true"]) .tabbrowser-tab:hover>.tab-stack>.tab-background:not([selected="true"], [multiselected]) {
+  #Tabstoolbar:not([brighttext]) .tabbrowser-tab:hover .tab-background:not([selected], [multiselected]) {
     background-color: color-mix(in srgb, white 30%, transparent) !important;
     --uc-tab-corner-bg: color-mix(in srgb, white 30%, transparent) !important;
   }
@@ -134,20 +120,15 @@
   margin: 0 !important;
 }
 
-/* fix colours */
+/* fix window background colours */
 @media not (-moz-gtk-csd-available) {
-  #navigator-toolbox:not(:-moz-lwtheme) {
+  :root:not(:-moz-lwtheme) #navigator-toolbox {
     background-color: var(--lwt-accent-color) !important;
     color: var(--lwt-text-color) !important;
   }
 
-  /* force inactive window on default theme */
-  @media not (-moz-platform: windows-win7) {
-    @media not (-moz-platform: windows-win8) {
-      #navigator-toolbox:-moz-window-inactive:not(:-moz-lwtheme) {
-        background-color: var(--lwt-accent-color-inactive, var(--lwt-accent-color)) !important;
-      }
-    }
+  :root:not(:-moz-lwtheme) #navigator-toolbox:-moz-window-inactive {
+    background-color: var(--lwt-accent-color-inactive, var(--lwt-accent-color)) !important;
   }
 }
 
@@ -411,8 +392,8 @@ toolbarbutton[part="scrollbutton-down"] {
     0 2px 4px rgba(0, 0, 0, 0.45), 0 0px 2px rgba(0, 0, 0, 0.2);
 }
 
-.tabbrowser-tab:is([visuallyselected="true"], [multiselected])>.tab-stack>.tab-background,
-#TabsToolbar #firefox-view-button[open]>.toolbarbutton-icon {
+#tabbrowser-tabs .tab-background:is([selected], [multiselected]),
+#TabsToolbar #firefox-view-button[open] > .toolbarbutton-icon {
   box-shadow: var(--uc-tab-shadow) !important;
 }
 
diff --git a/chrome/toolbar/urlbar.css b/chrome/toolbar/urlbar.css
index 746951b..d9871fc 100644
--- a/chrome/toolbar/urlbar.css
+++ b/chrome/toolbar/urlbar.css
@@ -1,4 +1,4 @@
-/* EdgeFr-Fox by bmFtZQ - urlbar.css */
+/* Edge-Frfox - urlbar.css */
 
 :root {
   --urlbar-min-height: 30px !important;
@@ -17,7 +17,8 @@
 @media not (-moz-gtk-csd-available) {
   #urlbar[focused="true"]:not([suppress-focus-border])>#urlbar-background:not(:-moz-lwtheme),
   #searchbar:not(:-moz-lwtheme):focus-within {
-    outline-color: color-mix(in srgb, var(--toolbar-field-focus-border-color) 50%, transparent) !important;
+    --uc-outline-dimmed: color-mix(in srgb, var(--toolbar-field-focus-border-color) 50%, transparent);
+    outline-color: light-dark(var(--uc-outline-dimmed), var(--toolbar-field-focus-border-color)) !important;
   }
 }
 
diff --git a/chrome/userChrome.css b/chrome/userChrome.css
index e6a952b..d8692d8 100644
--- a/chrome/userChrome.css
+++ b/chrome/userChrome.css
@@ -1,4 +1,4 @@
-/* EdgeFr-Fox by bmFtZQ */
+/* Edge-Frfox */
 @import url("icons/icons.css");
 @import url("toolbar/tabbar.css");
 @import url("toolbar/navbar.css");
@@ -9,3 +9,6 @@
 @import url("global/popup.css");
 @import url("global/tweaks.css");
 @import url("global/browser.css");
+
+/* import custom stylesheet instead of modifying Edge-Frfox theme files */
+@import url("custom.css");
diff --git a/chrome/userContent.css b/chrome/userContent.css
index e1bf933..3c5ab07 100644
--- a/chrome/userContent.css
+++ b/chrome/userContent.css
@@ -1,3 +1,3 @@
-/* EdgeFr-Fox by bmFtZQ */
+/* Edge-Frfox */
 @import url("content/common.css");
 @import url("content/newtab.css");