diff --git a/about_pages_dark_mode/about_addons_dark_mode.css b/about_pages_dark_mode/about_addons_dark_mode.css
new file mode 100644
index 0000000..08bd9d3
--- /dev/null
+++ b/about_pages_dark_mode/about_addons_dark_mode.css
@@ -0,0 +1,72 @@
+@-moz-document url(about:addons) {
+
+	page#addons-page, page.greasemonkey #greasemonkey-sort-bar, #list-view[type="userstyle"] #addon-list-empty[hidden] ~ #userstyle-sorting, #addons-page .global-info-container, .alert, #nav-header, #categories, #header-utils-btn, textbox#header-search {
+		background: #323234 !important;
+		color: #ccc !important;
+	}
+
+	richlistitem.category:not([selected]), #detail-contrib-description, page.greasemonkey #greasemonkey-sort-bar .text-link {
+		color: #d2d2d2 !important;
+	}
+
+	.name-container {
+		color: #d2d2d2 !important;
+		font-weight: unset !important;
+	}
+
+	.addon[selected], .category[selected] {
+		background: #565656 !important;
+		-moz-border-start: 4px solid #A9A9A9 !important;
+	}
+
+	#header-utils-btn:hover {
+		color: white !important;
+		background: #222 !important;
+	}
+
+	.addon {
+		color: gray !important;
+	}
+
+	richlistitem.category[selected], #main #promos.js, #featured-addons, #addons {
+		background: #323234 !important;
+		color: #d2d2d2 !important;
+	}
+
+	richlistitem.category:hover:not([selected]) {
+		text-decoration: underline !important;
+	}
+
+	#view-port-container #detail-view, #view-port-container #list-view {
+		filter: unset !important;
+		background-color: black !important;
+		color: #d2d2d2 !important;
+	}
+
+	.icon, #view-port-container #detail-view image, #view-port-container #list-view image, deck.view-pane, #detail-contributions {
+		background-color: #d2d2d2 !important;
+	}
+
+	*|button, menulist {
+		-moz-appearance: none !important;
+		background: linear-gradient(#2D2D2D, #2D2D2D) !important;
+		border: 1px #444 solid !important;
+		color: #999 !important;
+		box-shadow: unset !important;
+		text-decoration: unset !important;
+	}
+
+	*|button:hover {
+		color: white !important;
+		background: #222 !important;
+	}
+
+	#category-discover {
+		display: none !important;
+	}
+
+	.addon-view[notification="warning"] {
+	  --view-highlight-color: transparent !important;
+	}
+  
+}
\ No newline at end of file
diff --git a/about_pages_dark_mode/about_blank_newtab_dark_mode.css b/about_pages_dark_mode/about_blank_newtab_dark_mode.css
new file mode 100644
index 0000000..8533393
--- /dev/null
+++ b/about_pages_dark_mode/about_blank_newtab_dark_mode.css
@@ -0,0 +1,7 @@
+/* thank you u/Antabaka */
+@-moz-document url-prefix(about:blank), url-prefix(about:newtab) {
+	
+	html:not(#ublock0-epicker), html:not(#ublock0-epicker) body, #newtab-customize-overlay {
+		background: #323234 !important;
+	}
+}
\ No newline at end of file
diff --git a/about_pages_dark_mode/about_config_dark_mode.css b/about_pages_dark_mode/about_config_dark_mode.css
new file mode 100644
index 0000000..9399144
--- /dev/null
+++ b/about_pages_dark_mode/about_config_dark_mode.css
@@ -0,0 +1,21 @@
+@-moz-document url(about:config) {
+
+	#configDeck {
+		background: #323234 !important;
+		color: darkcyan !important;
+	}
+
+	scrollbar {
+		-moz-appearance: none !important;
+		background: white !important;
+	}
+
+	thumb {
+		-moz-appearance: scalethumb-vertical !important;
+	}
+
+	#textbox, tree#configTree {
+		filter: invert(80%) hue-rotate(150deg);
+	}
+  
+}
\ No newline at end of file
diff --git a/about_pages_dark_mode/about_home_dark_mode.css b/about_pages_dark_mode/about_home_dark_mode.css
new file mode 100644
index 0000000..81021d5
--- /dev/null
+++ b/about_pages_dark_mode/about_home_dark_mode.css
@@ -0,0 +1,44 @@
+@-moz-document url(about:home) {
+
+	html, body, treechildren {
+		background: #323234 !important;
+		color: #ccc !important;
+	}
+
+	treecol {
+		background: #424040 !important;
+		color: #d2d2d2 !important;
+	}
+
+	treecol:hover {
+		text-decoration: underline !important;
+	}
+
+	button {
+		background-color: #292929 !important;
+		color: #ccc !important;
+		border: 1px #ccc solid !important;
+	}
+
+	button:hover {
+		background: #222 !important;
+	}
+
+	#block-snippet-overlay, #launcher, #brandLogo, #searchIconAndTextContainer, #aboutMozilla, .title, #errorLongDesc, #errorPageContainer {
+		display: none !important;
+	}
+
+	#searchText {
+		background-color: #292929 !important;
+	}
+
+	#searchIcon, #searchSubmit {
+		fill: #ccc !important;
+		opacity: .7 !important;
+	}
+
+	#defaultSnippet2 {
+		color: #ccc !important;
+	}
+
+}
\ No newline at end of file
diff --git a/about_pages_dark_mode/about_neterror_dark_mode.css b/about_pages_dark_mode/about_neterror_dark_mode.css
new file mode 100644
index 0000000..a50c255
--- /dev/null
+++ b/about_pages_dark_mode/about_neterror_dark_mode.css
@@ -0,0 +1,21 @@
+@-moz-document url-prefix(about:neterror) {
+
+	html, body {
+    	background: #323234 !important;
+	}
+
+	h1, p, li, ul {
+		color: #ccc !important;
+	}
+
+	button {
+		background-color: #292929 !important;
+		color: #ccc !important;
+		border: 1px #ccc solid !important;
+	}
+
+	button:hover {
+    	background: #222 !important;
+	}
+
+}
\ No newline at end of file
diff --git a/about_pages_dark_mode/about_preferences_dark_mode.css b/about_pages_dark_mode/about_preferences_dark_mode.css
new file mode 100644
index 0000000..f764620
--- /dev/null
+++ b/about_pages_dark_mode/about_preferences_dark_mode.css
@@ -0,0 +1,26 @@
+@-moz-document url-prefix(about:preferences) {
+
+	page {
+		filter: invert(80%) hue-rotate(150deg);
+		background-color: #323234 !important;
+	}
+
+	#categories, .search-container {
+		background-color: white !important;
+	}
+
+	.category[selected], .category:hover {
+		background-color: #E9E9E9 !important;
+		color: #323234 !important;
+		-moz-border-start: unset !important;
+	}
+
+	#tabsElement tab[selected] {
+		-moz-border-bottom-colors: #323234 !important;
+	}
+
+	.help-button {
+		display: none !important;
+	}
+
+}
\ No newline at end of file
diff --git a/about_pages_dark_mode/about_privatebrowsing_dark_mode.css b/about_pages_dark_mode/about_privatebrowsing_dark_mode.css
new file mode 100644
index 0000000..9bce042
--- /dev/null
+++ b/about_pages_dark_mode/about_privatebrowsing_dark_mode.css
@@ -0,0 +1,21 @@
+@-moz-document url("about:privatebrowsing"), url("about:Privatebrowsing"), url("about:PrivateBrowsing"), url("about:privateBrowsing") {
+	
+	html {
+    	background: #323234 !important;
+	}
+			
+	button {
+    	background-color: #292929 !important;
+    	color: #ccc !important;
+		border: 1px #ccc solid !important;
+	}
+	
+	button:hover {
+    	background: #222 !important;
+	}
+	
+	p {
+    	color: #ccc;
+  	}
+  
+}
\ No newline at end of file
diff --git a/about_pages_dark_mode/about_sessionrestore_dark_mode.css b/about_pages_dark_mode/about_sessionrestore_dark_mode.css
new file mode 100644
index 0000000..1024610
--- /dev/null
+++ b/about_pages_dark_mode/about_sessionrestore_dark_mode.css
@@ -0,0 +1,31 @@
+@-moz-document url(about:sessionrestore) {
+
+	html, body, treechildren {
+		background: #323234 !important;
+		color: #ccc !important;
+	}
+
+	treecol {
+		background: #424040 !important;
+		color: #d2d2d2 !important;
+	}
+
+	treecol:hover {
+		text-decoration: underline !important;
+	}
+
+	button {
+		background-color: #292929 !important;
+		color: #ccc !important;
+		border: 1px #ccc solid !important;
+	}
+
+	button:hover {
+		background: #222 !important;
+	}
+	
+	#tabsToggle {
+		padding-inline-end: 30px !important;
+	}
+
+}
\ No newline at end of file
diff --git a/userContent-about_pages.css b/userContent-about_pages.css
new file mode 100644
index 0000000..e60eb80
--- /dev/null
+++ b/userContent-about_pages.css
@@ -0,0 +1,8 @@
+@import "about_pages_dark_mode/about_preferences_dark_mode.css";
+@import "about_pages_dark_mode/about_addons_dark_mode.css";
+@import "about_pages_dark_mode/about_config_dark_mode.css";
+@import "about_pages_dark_mode/about_blank_newtab_dark_mode.css";
+@import "about_pages_dark_mode/about_sessionrestore_dark_mode.css";
+@import "about_pages_dark_mode/about_privatebrowsing_dark_mode.css";
+@import "about_pages_dark_mode/about_neterror_dark_mode.css";
+@import "about_pages_dark_mode/about_home_dark_mode.css";
\ No newline at end of file