diff --git a/home/shenvs/altera.nix b/home/shenvs/altera.nix
index e554538..af3bbc8 100644
--- a/home/shenvs/altera.nix
+++ b/home/shenvs/altera.nix
@@ -43,5 +43,34 @@ with lib; {
         })
       ];
     in concatStringsSep "\n" inputs;
+
+    # Usar gtk en aplicaciones de jvm
+    home.sessionVariables._JAVA_OPTIONS = concatStringsSep " " [
+      "-Dawt.useSystemAAFontSettings=on"
+      "-Dswing.aatext=true"
+      "-Dswing.defaultlaf=com.sun.java.swing.plaf.gtk.GTKLookAndFeel"
+      "-Dswing.crossplatformlaf=com.sun.java.swing.plaf.gtk.GTKLookAndFeel"
+    ];
+
+    gtk = {
+      enable = true;
+
+      gtk2.extraConfig = ''
+        gtk-toolbar-style=GTK_TOOLBAR_BOTH_HORIZ
+        gtk-menu-images=1
+        gtk-button-images=1
+      '';
+
+      font = {
+        package = pkgs.noto-fonts;
+        name = "Noto Sans Regular";
+        #size = 14; <- caga layout de páginas
+      };
+
+      theme = {
+        package = pkgs.materia-theme;
+        name = "Materia-dark";
+      };
+    };
   };
-}
+}
\ No newline at end of file