Add firefox userChrome.css

firefox/userChrome.css

@@ -0,0 +1,60 @@
+ @namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
+
+ #back-button, #forward-button { display: none; } 
+
+
+ :root {
+	--uc-bg-color: #fff;
+	--uc-show-new-tab-button: none;
+	--uc-show-tab-separators: none;
+	--uc-tab-separators-color: none;
+	--uc-tab-separators-width: none;
+	--uc-tab-fg-color: #000;
+	--uc-mg-color: #F5F6F7;
+}
+/* Options with pixel amounts could need to be adjusted, as this only works for my laptop's display */
+#titlebar {
+	-moz-box-ordinal-group: 2 !important;
+}	
+#nav-bar {
+	margin-left: 0vw !important;
+}
+.titlebar-buttonbox-container {
+	-moz-box-ordinal-group: 1 !important;
+	background-color: rgb(50,50,52);
+	margin-top: 0px !important;
+}
+#TabsToolbar {
+	min-height: 28px !important;
+}
+#TabsToolbar > .toolbar-items {
+	margin-left: 0px !important;
+}
+.tabbrowser-tab:not([pinned]){
+	max-width: 100vw !important;
+}
+.tabbrowser-tab:not([fadein]),
+#page-action-buttons,
+.titlebar-spacer,
+.tab-line,
+#tracking-protection-icon-container, 
+#back-button, 
+#forward-button,
+#identity-box {
+	display: none !important;
+	border: none !important;
+}
+#urlbar-background, .titlebar-buttonbox-container, #nav-bar, .tab-background[selected="true"]{
+    background: var(--uc-bg-color) !important;
+	border: none !important;
+}
+#tabs-newtab-button {
+	display: none !important;
+}
+.tab-close-button.close-icon {
+	display: none !important;
+}
+#navigator-toolbox {
+	border-bottom: 0px solid red !important;
+	background: var(--uc-bg-color) !important;
+}