diff --git a/chrome/content/zotero-platform/win/preferences.css b/chrome/content/zotero-platform/win/preferences.css
deleted file mode 100644
index 1832672d94..0000000000
--- a/chrome/content/zotero-platform/win/preferences.css
+++ /dev/null
@@ -1,12 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
- window[windowtype="zotero:pref"] {
-	padding: 0;
-	
-	-moz-appearance: window;
-	background-color: -moz-Dialog;
-	color: -moz-DialogText;
-	font: message-box;
-}
diff --git a/scss/preferences-win.scss b/scss/preferences-win.scss
new file mode 100644
index 0000000000..e17feb8783
--- /dev/null
+++ b/scss/preferences-win.scss
@@ -0,0 +1,24 @@
+// Abstracts
+
+@import "abstracts/variables";
+@import "abstracts/functions";
+@import "abstracts/mixins";
+@import "abstracts/placeholders";
+@import "abstracts/utilities";
+@import "abstracts/split-button";
+@import "abstracts/svgicon";
+
+@import "themes/light";
+@import "themes/dark";
+
+// Windows specific
+
+@import "win/abstracts/mixins";
+
+// Components
+
+@import "win/components/button";
+@import "win/components/input";
+@import "win/components/menulist";
+@import "win/components/menupopup";
+@import "win/components/tabbox";
diff --git a/scss/win/_menupopup.scss b/scss/win/components/_menupopup.scss
similarity index 100%
rename from scss/win/_menupopup.scss
rename to scss/win/components/_menupopup.scss
diff --git a/scss/zotero-win.scss b/scss/zotero-win.scss
index 7970b3482e..2d52528d30 100644
--- a/scss/zotero-win.scss
+++ b/scss/zotero-win.scss
@@ -9,7 +9,6 @@
 @import "win/createParent";
 @import "win/tabBar";
 @import "win/titleBar";
-@import "win/menupopup";
 
 // Elements
 
@@ -20,4 +19,5 @@
 @import "win/components/button";
 @import "win/components/input";
 @import "win/components/menulist";
+@import "win/components/menupopup";
 @import "win/components/tabbox";