diff --git a/nix/config/aerospace/aerospace.toml b/nix/config/aerospace/aerospace.toml
index 624b866..8ec359a 100644
--- a/nix/config/aerospace/aerospace.toml
+++ b/nix/config/aerospace/aerospace.toml
@@ -8,15 +8,18 @@ default-root-container-layout = 'tiles'
 default-root-container-orientation = 'auto'
 key-mapping.preset = 'qwerty'
 on-focused-monitor-changed = ['move-mouse monitor-lazy-center']
-automatically-unhide-macos-hidden-apps = true
+
+after-startup-command = [
+  'exec-and-forget borders active_color=0xffe1e3e4 inactive_color=0xff494d64 width=5.0'
+]
 
 [gaps]
-inner.horizontal = 8
-inner.vertical = 8
-outer.left = 8
-outer.bottom = 8
-outer.top = 8
-outer.right = 8
+inner.horizontal = 12
+inner.vertical = 12
+outer.left = 12
+outer.bottom = 12
+outer.top = 12
+outer.right = 12
 
 [mode.main.binding]
 alt-slash = 'layout tiles horizontal vertical'
diff --git a/nix/module/configuration.nix b/nix/module/configuration.nix
index f8bb56e..54993a7 100644
--- a/nix/module/configuration.nix
+++ b/nix/module/configuration.nix
@@ -4,12 +4,12 @@
     optimise.automatic = true;
     settings = {
       builders-use-substitutes = true;
-      experimental-features = ["flakes" "nix-command"];
-      substituters = ["https://nix-community.cachix.org"];
+      experimental-features = [ "flakes" "nix-command" ];
+      substituters = [ "https://nix-community.cachix.org" ];
       trusted-public-keys = [
         "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
       ];
-      trusted-users = ["@wheel"];
+      trusted-users = [ "@wheel" ];
       warn-dirty = false;
     };
   };
@@ -23,6 +23,10 @@
     enable = true;
     onActivation.cleanup = "zap";
 
+    brews = [
+      "borders"
+    ];
+
     casks = [
       "aerospace"
       "anki"
@@ -42,18 +46,19 @@
 
     taps = [
       "dracula/install"
+      "FelixKratz/formulae"
       "nikitabobko/tap"
     ];
   };
 
   system = {
     activationScripts.postUserActivation.text = ''
-    /System/Library/PrivateFrameworks/SystemAdministration.framework/Resources/activateSettings -u
-    defaults write com.apple.symbolichotkeys AppleSymbolicHotKeys -dict-add 70 '<dict><key>enabled</key><false/></dict>'
+      /System/Library/PrivateFrameworks/SystemAdministration.framework/Resources/activateSettings -u
+      defaults write com.apple.symbolichotkeys AppleSymbolicHotKeys -dict-add 70 '<dict><key>enabled</key><false/></dict>'
     '';
 
     defaults = {
-      dock= {
+      dock = {
         autohide = true;
         autohide-time-modifier = 0.1;
         expose-animation-duration = 0.0;