diff --git a/chrome/extras/hidetoolbarbuttons.css b/chrome/extras/hidetoolbarbuttons.css
new file mode 100644
index 0000000..7accb9c
--- /dev/null
+++ b/chrome/extras/hidetoolbarbuttons.css
@@ -0,0 +1,23 @@
+/* (BUGGY: USE AT OWN RISK!) Hide toolbar buttons other than extensions */
+
+.toolbarbutton-icon,
+.toolbarbutton-badge-stack,
+#nav-bar .toolbarbutton-1
+{
+    transition-duration: 0.1s !important;
+    transition-property: width, padding, border !important;
+}
+:root:not([customizing]) #navigator-toolbox:not(:hover) > #nav-bar:not([urlbar-exceeds-toolbar-bounds="true"]) .toolbarbutton-1:not(.webextension-browser-action, [open], [checked]) :-moz-any(.toolbarbutton-icon, .toolbarbutton-badge-stack)
+{
+    width: 0 !important; padding: 0 !important;
+}
+:root:not([customizing]) #navigator-toolbox:not(:hover) > #nav-bar:not([urlbar-exceeds-toolbar-bounds="true"]) .toolbarbutton-1:not(.webextension-browser-action, [open], [checked])
+{
+    border-width: 0 !important;
+}
+
+/* Also Hide urlbar background */
+/*
+:root:not([customizing]) #navigator-toolbox:not(:hover) > #nav-bar
+{ --toolbar-field-background-color: transparent !important; }
+*/
\ No newline at end of file
diff --git a/chrome/extras/swapaccount-overflow.css b/chrome/extras/swapaccount-overflow.css
new file mode 100644
index 0000000..fa07aa3
--- /dev/null
+++ b/chrome/extras/swapaccount-overflow.css
@@ -0,0 +1,12 @@
+/* (BUGGY: USE AT OWN RISK!) Swap Account icon and Overflow icon (must be placed next to each other) */
+
+@media (min-width: 687px) {
+    :root:not([customizing]) #nav-bar-overflow-button
+    {
+        transform: translateX(-44px);
+    }
+    :root:not([customizing]) #fxa-toolbar-menu-button
+    {
+        transform: translateX(44px);
+    }
+}
\ No newline at end of file
diff --git a/chrome/extras/vibrancy.css b/chrome/extras/vibrancy.css
new file mode 100644
index 0000000..3ef257b
--- /dev/null
+++ b/chrome/extras/vibrancy.css
@@ -0,0 +1,26 @@
+/* (MACOS ONLY!) Enable window vibrancy behind tabs */
+
+#TabsToolbar:not(:-moz-window-inactive)
+{
+    background-color: #0001 !important;
+}
+#main-window:-moz-any([lwthemetextcolor="bright"], [privatebrowsingmode=temporary]) #TabsToolbar:not(:-moz-window-inactive)
+{
+    background-color: #1114 !important;
+}
+
+#main-window
+{
+    -moz-appearance: -moz-mac-vibrant-titlebar-light !important;
+}
+
+#main-window:-moz-any([lwthemetextcolor="bright"], [privatebrowsingmode=temporary])
+{
+    -moz-appearance: -moz-mac-vibrant-titlebar-dark !important;
+}
+
+:-moz-any(#main-window, #TabsToolbar):-moz-any([inFullscreen="true"], :-moz-window-inactive)
+{
+    -moz-appearance: none !important;
+    background-color: var(--lwt-accent-color) !important;
+}
\ No newline at end of file
diff --git a/chrome/userChrome.css b/chrome/userChrome.css
index 50da355..8ac67a2 100644
--- a/chrome/userChrome.css
+++ b/chrome/userChrome.css
@@ -9,28 +9,22 @@
 @import "findbar/findbar.css";
 @import "tabbar/EdgeStyleTabShadow.css";
 
+/* Optional Extras (uncomment/comment to enable/disable) */
+
+/* @import "extras/vibrancy.css"; */ /* (MACOS ONLY!) Enable window vibrancy behind tabs */
+/* @import "extras/hidetoolbarbuttons.css"; */ /* (BUGGY: USE AT OWN RISK!) Hide toolbar buttons other than extensions */
+/* @import  "extras/swapaccount-overflow.css"; */ /* (BUGGY: USE AT OWN RISK!) Swap Account icon and Overflow icon (must be placed next to each other) */
+
+/* (MACOS ONLY!) Adjust window controls position to make the spacing even */
+.titlebar-buttonbox { margin-inline: 13px 5px !important; }
+
 #urlbarView-row-162, #urlbarView-row-19, #urlbar .urlbarView .search-one-offs, /* Hide search engine selector on the urlbar dropdown */
 #context-sendpagetodevice, #context-sep-sendpagetodevice, /* Hide send page to device menu */
 #permissions-granted-icon, #appMenu-fxa-status, toolbarseparator.sync-ui-item, #appMenu-protection-report-button, #appMenu-tp-separator, /* Hide Account and protection dashboard from menu */
 #appMenu-edit-controls, .panel-subview-body toolbarseparator:nth-child(12) /* Hide Edit Controls */
-{
-    display: none !important;
-}
-
-/* Swap Account icon and Overflow icon (Must be placed next to each other) */
-/*
-@media (min-width: 687px) {
-    #nav-bar-overflow-button { transform: translateX(-44px); }
-    #fxa-toolbar-menu-button { transform: translateX(44px); }
-}
-*/
-
-/* Replace Firefox identity icon with Edge */
-/*
-#identity-icon-label { display: none !important; }
-#identity-box.chromeUI[pageproxystate="valid"]::after { content: "Edge"; padding-inline-start: 8px; }
-#identity-icon { list-style-image: url("icons/edge.svg") !important; }
-*/
+{ display: none !important; }
 
 /* Changelog (DD/MM) */
-/* 14-03 / Titlebar buttons no longer squashed on windows */
\ No newline at end of file
+/* 86.0 / Titlebar buttons no longer squashed on windows */
+/* 86.0 r1 / Fix spacing issues with <select> menupopups */
+/* 86.0 r2 / Add Optional Extras: Vibrancy(macOS), hidetoolbarbuttons / Fixed blurry text for some users. */
\ No newline at end of file
diff --git a/chrome/userContent.css b/chrome/userContent.css
index 48d7f0e..1c5332d 100644
--- a/chrome/userContent.css
+++ b/chrome/userContent.css
@@ -1,25 +1,6 @@
 @import "userContent/NewTab.css";
 @import "userContent/Preferences.css";
 
-@-moz-document url-prefix("about:") {
-    :root {
-        --body-background: #f5f5f5;
-        --body-title-text: #000;
-        --body-text: #333;
-
-        --newtab-tile-background: #fff;
-
-        --field-background: #fff;
-    }
-    @media (prefers-color-scheme: dark) {
-        :root {
-            --body-background: #1b1b1b;
-            --body-title-text: #fff;
-            --body-text: #e0e0e0;
-
-            --newtab-tile-background: #303030;
-
-            --field-background: #202020;
-        }
-    }
+img.transparent {
+    background: transparent !important;
 }
\ No newline at end of file