diff --git a/users/guanranwang/home-manager/applications/firefox/default.nix b/users/guanranwang/home-manager/applications/firefox/default.nix
index 4891915..c741b27 100644
--- a/users/guanranwang/home-manager/applications/firefox/default.nix
+++ b/users/guanranwang/home-manager/applications/firefox/default.nix
@@ -60,4 +60,8 @@ in {
   #  # TODO
   #  profiles."default" = {};
   #};
+
+  home.sessionVariables = {
+    MOZ_USE_XINPUT2 = "1";
+  };
 }
diff --git a/users/guanranwang/home-manager/applications/librewolf/default.nix b/users/guanranwang/home-manager/applications/librewolf/default.nix
index d562443..3913b22 100644
--- a/users/guanranwang/home-manager/applications/librewolf/default.nix
+++ b/users/guanranwang/home-manager/applications/librewolf/default.nix
@@ -80,4 +80,8 @@ in {
       "extensions.activeThemeID" = "firefox-compact-dark@mozilla.org";
     };
   };
+
+  home.sessionVariables = {
+    MOZ_USE_XINPUT2 = "1";
+  };
 }
diff --git a/users/guanranwang/home-manager/applications/picom/default.nix b/users/guanranwang/home-manager/applications/picom/default.nix
index eff158a..1241370 100644
--- a/users/guanranwang/home-manager/applications/picom/default.nix
+++ b/users/guanranwang/home-manager/applications/picom/default.nix
@@ -20,6 +20,9 @@
       # Blur
       blur-method = "dual_kawase";
       blur-strength = 10;
+      blur-background-exclude = [
+        "_GTK_FRAME_EXTENTS@:c"
+      ];
 
       # Corners
       corner-radius = 12;