diff --git a/gnome.nix b/gnome.nix
new file mode 100644
index 0000000..aae1314
--- /dev/null
+++ b/gnome.nix
@@ -0,0 +1,103 @@
+{ config, pkgs, ... }: {
+
+  home.packages = with pkgs.gnomeExtensions; [
+      blur-my-shell
+      quick-settings-tweaker
+      user-themes
+      caffeine
+      rounded-window-corners
+      paperwm
+    ];
+
+  home.file.".config/paperwm/user.css".source = ./sources/paperwm/user.css;
+
+  # Refer to https://hoverbear.org/blog/declarative-gnome-configuration-in-nixos/
+  dconf.settings = {
+    "org/gnome/calculator" = {
+      button-mode = "programming";
+      show-thousands = true;
+      base = 10;
+    };
+
+    # Enable dark theme using adw-gtk3 to make GTK3 apps look coherent
+    "org/gnome/desktop/interface" = {
+      gtk-theme = "adw-gtk3-dark";
+      color-scheme = "prefer-dark";
+    };
+
+    "org/gnome/desktop/wm/keybindings" = {
+      close = [ "<Super>q" ];
+    };
+
+    "org/gnome/shell".enabled-extensions = [
+      "quick-settings-tweaks@qwreey"
+      "caffeine@patapon.info"
+      "blur-my-shell@aunetx"
+      "paperwm@paperwm.github.com"
+    ];
+
+    "org/gnome/mutter".dynamic-workspaces = true;
+
+    "org/gnome/shell".favorite-apps = [
+      "org.gnome.Console.desktop"
+      "librewolf.desktop"
+      "org.gnome.Nautilus.desktop"
+      "org.gnome.World.Secrets.desktop"
+      "signal-desktop.desktop"
+    ];
+
+    "org/gnome/desktop/app-folders/folders/Office" = {
+      name = "Office";
+      apps = [
+        "startcenter.desktop"
+        "base.desktop"
+        "writer.desktop"
+        "calc.desktop"
+        "impress.desktop"
+        "draw.desktop"
+        "math.desktop"
+      ];
+    };
+
+    "org/gnome/desktop/app-folders/folders/Programming" = {
+      name = "Programming";
+      apps = [
+        "jupyterlab.desktop"
+        "jupyter-notebook.desktop"
+        "Helix.desktop"
+        "ghidra.desktop"
+      ];
+    };
+
+    "org/gnome/desktop/app-folders/folders/Graphics" = {
+      name = "Graphics";
+      apps = [
+        "org.kde.krita.desktop"
+        "gimp.desktop"
+        "com.github.flxzt.rnote.desktop"
+      ];
+    };
+
+    "org/gnome/desktop/app-folders/folders/AltBrowsers" = {
+      name = "Alt Browsers";
+      apps = [
+        "torbrowser.desktop"
+        "chromium-browser.desktop"
+      ];
+    };
+
+    "org/gnome/desktop/app-folders".folder-children = [
+      "Utilities"
+      "Office"
+      "Programming"
+      "Graphics"
+      "AltBrowsers"
+    ];
+
+    # notebooks with touchpads
+    "org/gnome/desktop/peripherals/touchpad".tap-to-click = true;
+
+    # disable hot corners
+    "org/gnome/desktop/interface".enable-hot-corners = false;
+  };
+}
diff --git a/home.nix b/home.nix
index 2ae85ae..5689ebd 100644
--- a/home.nix
+++ b/home.nix
@@ -1,6 +1,9 @@
 { config, pkgs, ... }:
 
 {
+
+  imports = [ ./gnome.nix ];
+
   home = {
     file = {
       ".config/helix/config.toml".source = ./sources/helix/config.toml;
@@ -21,107 +24,9 @@
       GOBIN = "${config.home.sessionVariables.GOPATH}/bin";
     };
 
-    packages = with pkgs.gnomeExtensions; [
-      blur-my-shell
-      quick-settings-tweaker
-      user-themes
-      caffeine
-      rounded-window-corners
-    ];
-
     stateVersion = "24.05";
   };
 
-  # Refer to https://hoverbear.org/blog/declarative-gnome-configuration-in-nixos/
-  dconf.settings = {
-
-    "org/gnome/calculator" = {
-      button-mode = "programming";
-      show-thousands = true;
-      base = 10;
-    };
-
-    # Enable dark theme using adw-gtk3 to make GTK3 apps look coherent
-    "org/gnome/desktop/interface" = {
-      gtk-theme = "adw-gtk3-dark";
-      color-scheme = "prefer-dark";
-    };
-
-    "org/gnome/desktop/wm/keybindings" = {
-      close = [ "<Super>q" ];
-    };
-
-    "org/gnome/shell".enabled-extensions = [
-      "quick-settings-tweaks@qwreey"
-      "caffeine@patapon.info"
-      "blur-my-shell@aunetx"
-    ];
-
-    "org/gnome/mutter".dynamic-workspaces = true;
-
-    "org/gnome/shell".favorite-apps = [
-      "org.gnome.Console.desktop"
-      "librewolf.desktop"
-      "org.gnome.Nautilus.desktop"
-      "org.gnome.World.Secrets.desktop"
-      "signal-desktop.desktop"
-    ];
-
-    "org/gnome/desktop/app-folders/folders/Office" = {
-      name = "Office";
-      apps = [
-        "startcenter.desktop"
-        "base.desktop"
-        "writer.desktop"
-        "calc.desktop"
-        "impress.desktop"
-        "draw.desktop"
-        "math.desktop"
-      ];
-    };
-
-    "org/gnome/desktop/app-folders/folders/Programming" = {
-      name = "Programming";
-      apps = [
-        "jupyterlab.desktop"
-        "jupyter-notebook.desktop"
-        "Helix.desktop"
-        "ghidra.desktop"
-      ];
-    };
-
-    "org/gnome/desktop/app-folders/folders/Graphics" = {
-      name = "Graphics";
-      apps = [
-        "org.kde.krita.desktop"
-        "gimp.desktop"
-        "com.github.flxzt.rnote.desktop"
-      ];
-    };
-
-    "org/gnome/desktop/app-folders/folders/AltBrowsers" = {
-      name = "Alt Browsers";
-      apps = [
-        "torbrowser.desktop"
-        "chromium-browser.desktop"
-      ];
-    };
-
-    "org/gnome/desktop/app-folders".folder-children = [
-      "Utilities"
-      "Office"
-      "Programming"
-      "Graphics"
-      "AltBrowsers"
-    ];
-
-    # notebooks with touchpads
-    "org/gnome/desktop/peripherals/touchpad".tap-to-click = true;
-
-    # disable hot corners
-    "org/gnome/desktop/interface".enable-hot-corners = false;
-  };
-
   xdg.desktopEntries.ocr = {
     name = "Screen Grab OCR";
     exec = "${pkgs.writeScript "ocr" ''
diff --git a/sources/paperwm/user.css b/sources/paperwm/user.css
new file mode 100644
index 0000000..3fdadbb
--- /dev/null
+++ b/sources/paperwm/user.css
@@ -0,0 +1,3 @@
+.paperwm-selection {
+  border-radius: 12px !important;
+}