diff --git a/modules/apps/okular.nix b/modules/apps/okular.nix
index ebf1ecf8..e2307205 100644
--- a/modules/apps/okular.nix
+++ b/modules/apps/okular.nix
@@ -154,7 +154,7 @@ with lib.types;
             # Change to black & white colors (see options below)
             "BlackWhite"
             # Invert lightness but leave hue and saturation
-            "InvertLightness" 
+            "InvertLightness"
             # Like InvertLightness, but slightly more contrast
             "InvertLumaSymmetric"
             # Like InvertLightness, but much more contrast
diff --git a/modules/kwin.nix b/modules/kwin.nix
index 42a93998..a2016f38 100644
--- a/modules/kwin.nix
+++ b/modules/kwin.nix
@@ -56,10 +56,13 @@ let
     names:
     builtins.listToAttrs (lib.imap1 (i: v: (lib.nameValuePair "Name_${builtins.toString i}" v)) names);
 
-
   virtualDesktopIdAttrs =
     number:
-    builtins.listToAttrs (map (i: (lib.nameValuePair "Id_${builtins.toString i}" "Desktop_${builtins.toString i}")) (lib.range 1 number));
+    builtins.listToAttrs (
+      map (i: (lib.nameValuePair "Id_${builtins.toString i}" "Desktop_${builtins.toString i}")) (
+        lib.range 1 number
+      )
+    );
 
   capitalizeWord =
     word:
diff --git a/modules/widgets/icon-tasks.nix b/modules/widgets/icon-tasks.nix
index bdb342bd..ae12f288 100644
--- a/modules/widgets/icon-tasks.nix
+++ b/modules/widgets/icon-tasks.nix
@@ -244,9 +244,7 @@ in
         ...
       }:
       {
-        name = if iconsOnly
-          then "org.kde.plasma.icontasks"
-          else "org.kde.plasma.taskmanager";
+        name = if iconsOnly then "org.kde.plasma.icontasks" else "org.kde.plasma.taskmanager";
         config = lib.recursiveUpdate {
           General = lib.filterAttrs (_: v: v != null) {
             launchers = launchers;
diff --git a/modules/widgets/plasmusic-toolbar.nix b/modules/widgets/plasmusic-toolbar.nix
index 304f2333..5f7413d6 100644
--- a/modules/widgets/plasmusic-toolbar.nix
+++ b/modules/widgets/plasmusic-toolbar.nix
@@ -263,9 +263,7 @@ in
           if source == null then
             { }
           else if source == "auto" then
-            {
-              choosePlayerAutomatically = true;
-            }
+            { choosePlayerAutomatically = true; }
           else
             {
               choosePlayerAutomatically = false;
diff --git a/modules/workspace.nix b/modules/workspace.nix
index 761b89ee..70708042 100644
--- a/modules/workspace.nix
+++ b/modules/workspace.nix
@@ -34,6 +34,26 @@ let
       };
     };
 
+  wallpaperBackgroundType = lib.types.submodule (
+    { config, ... }:
+    {
+      options = {
+        color = lib.mkOption {
+          type = with lib.types; nullOr str;
+          default = null;
+          example = "219,99,99";
+          description = "Background color to use";
+        };
+        blur = lib.mkOption {
+          type = with lib.types; nullOr bool;
+          default = null;
+          example = true;
+          description = "Whether to blur the background";
+        };
+      };
+    }
+  );
+
   anyThemeSet = (
     cfg.workspace.theme != null
     || cfg.workspace.colorScheme != null
@@ -191,6 +211,15 @@ in
       '';
     };
 
+    wallpaperBackground = lib.mkOption {
+      type = lib.types.nullOr wallpaperBackgroundType;
+      default = null;
+      example = {
+        blur = true;
+      };
+      description = "How to handle wallpaper background when there is empty space.";
+    };
+
     soundTheme = lib.mkOption {
       type = with lib.types; nullOr str;
       default = null;
@@ -282,6 +311,15 @@ in
             plasma.workspace.windowDecorations.theme or none.
           '';
         }
+        {
+          assertion = (
+            cfg.workspace.wallpaperBackground == null
+            || (
+              cfg.workspace.wallpaperBackground.blur == null || cfg.workspace.wallpaperBackground.color == null
+            )
+          );
+          message = "programs.plasma.wallpaperBackground can only have a color or be blurred.";
+        }
       ];
       warnings = (
         if
@@ -448,6 +486,20 @@ in
                         toString wallpaperFillModeTypes.${cfg.workspace.wallpaperFillMode}
                       }");''
                   }
+                  ${
+                    lib.optionalString (cfg.workspace.wallpaperBackground != null)
+                      ''desktop.writeConfig("${
+                        if (cfg.workspace.wallpaperBackground ? blur && cfg.workspace.wallpaperBackground.blur != null) then
+                          "Blur"
+                        else
+                          "Color"
+                      }", "${
+                        if cfg.workspace.wallpaperBackground ? blur && cfg.workspace.wallpaperBackground.blur != null then
+                          lib.boolToString cfg.workspace.wallpaperBackground.blur
+                        else
+                          cfg.workspace.wallpaperBackground.color
+                      }");''
+                  }
               }
             '';
             priority = 3;
@@ -493,6 +545,20 @@ in
                         toString wallpaperFillModeTypes.${cfg.workspace.wallpaperFillMode}
                       }");''
                   }
+                  ${
+                    lib.optionalString (cfg.workspace.wallpaperBackground != null)
+                      ''desktop.writeConfig("${
+                        if (cfg.workspace.wallpaperBackground ? blur && cfg.workspace.wallpaperBackground.blur != null) then
+                          "Blur"
+                        else
+                          "Color"
+                      }", "${
+                        if cfg.workspace.wallpaperBackground ? blur && cfg.workspace.wallpaperBackground.blur != null then
+                          lib.boolToString cfg.workspace.wallpaperBackground.blur
+                        else
+                          cfg.workspace.wallpaperBackground.color
+                      }");''
+                  }
               }
             '';
             priority = 3;