diff --git a/nix/configuration.nix b/nix/configuration.nix
index ec44005..d75c1c1 100644
--- a/nix/configuration.nix
+++ b/nix/configuration.nix
@@ -1,7 +1,7 @@
 # Edit this configuration file to define what should be installed on
 # your system.  Help is available in the configuration.nix(5) man page
 # and in the NixOS manual (accessible by running ‘nixos-help’).
-{ config, pkgs, ... }:
+{ config, pkgs, callPackage, ... }:
 
 {
    nix = {
@@ -97,7 +97,8 @@
   # Enable touchpad support (enabled default in most desktopManager).
   services.xserver.libinput.enable = true;
   services.xserver.libinput.touchpad.tapping = true;
-
+  services.xserver.libinput.touchpad.disableWhileTyping = true;
+  # TODO create touchpad.nix
   # Define a user account. Don't forget to set a password with ‘passwd’.
   users.defaultUserShell = pkgs.zsh;
   users.users.horhik = {
@@ -210,5 +211,14 @@
   
   
 
-      programs.adb.enable = true;
+  programs.adb.enable = true;
+  services.emacs.package = pkgs.emacsUnstable;
+
+  nixpkgs.overlays = [
+    (import (builtins.fetchTarball {
+      url = https://github.com/nix-community/emacs-overlay/archive/master.tar.gz;
+      sha256 = "0c2p2ycx6c50rzfd5k56cc411cb0ilhc3zyhhxlwcjnz1ysn5laj";
+    }))
+  ];
+
 }
diff --git a/nix/modules/picom.nix b/nix/modules/picom.nix
index 3cfa89a..b8e228f 100644
--- a/nix/modules/picom.nix
+++ b/nix/modules/picom.nix
@@ -20,6 +20,37 @@
   services.picom.shadowExclude = [
 	"class_g = 'Navigator'"
   ];
+# services.picom.winTypes = 
+#  {
+# 	normal = { 
+#       	fade = false; 
+#       	shadow = true; 
+#       };
+#       tooltip = { 
+#       	fade = true; 
+#       	shadow = true; 
+#       	opacity = 0.75; 
+#       	focus = true; 
+#       	full-shadow = false; 
+#   		round-borders = 0; corner-radius = 0;
+#       };
+#       dock = { 
+#       	shadow = false; 
+#   		round-borders = 0;
+#   		corner-radius = 0;
+#       };
+#       dnd = { 
+#       	shadow = true; 
+#   		round-borders = 0;
+#   		corner-radius = 0;
+#       };
+#       popup_menu = { 
+#       	opacity = 0.8; 
+#       };
+#       dropdown_menu = { 
+#       	opacity = 0.8; 
+#       };
+#   };
   services.picom.extraOptions = ''
     #inactive-dim = 0.5;
     #active-opacity = 1.0;
@@ -39,15 +70,19 @@
         "class_g = 'Navigator'",
         "class_g = 'Firefox'"
     ];
-    corner-radius = 4;
+    corner-radius = 0;
     rounded-corners-exclude = [
         "window_type = 'dock'",
         "_NET_WM_STATE@:32a *= '_NET_WM_STATE_FULLSCREEN'",
         "class_g = 'keynav'",
     ];
-    round-borders = 4;
+    round-borders = 0;
     round-borders-exclude = [
-        "class_g = 'keynav'"
+        "class_g = 'keynav'",
+        "class_g = 'Xmonad'",
+        "class_g = 'xmobar'",
+        "class_g = 'simpleTabbed'",
+        "class_g = 'tabbed'"
     ];
   '';
 }