diff --git a/shared/home/default.nix b/shared/home/default.nix
index 59b18ec..0111b7e 100644
--- a/shared/home/default.nix
+++ b/shared/home/default.nix
@@ -7,7 +7,10 @@
     ./git.nix
     ./nix.nix
     ./programs.nix
+    ./theme.nix
     ./gui
   ];
 
+  config.theme = import ../../themes/lean.nix;
+
 }
\ No newline at end of file
diff --git a/shared/home/theme.nix b/shared/home/theme.nix
new file mode 100644
index 0000000..c348afc
--- /dev/null
+++ b/shared/home/theme.nix
@@ -0,0 +1,61 @@
+{ lib, ... }:
+
+with lib;
+with types;
+
+let colorOpt = mkOption {
+      type = submodule {
+        options = {
+          basic = mkOption { type = str; };
+          major = mkOption { type = str; };
+          minor = mkOption { type = str; };
+        };
+      };
+    };
+
+in {
+
+  options.theme = mkOption {
+    type = submodule {
+      options = {
+        background = colorOpt;
+        foreground = colorOpt;
+
+        failure = mkOption { type = str; };
+        success = mkOption { type = str; };
+        warning = mkOption { type = str; };
+
+        accent = mkOption {
+          type = submodule {
+            options = {
+              primary   = colorOpt;
+              secondary = colorOpt;
+              tertiary  = colorOpt;
+              ordered = listToAttrs
+                (genList (n: { name = "${n}"; value = colorOpt; }) 8);
+            };
+          };
+        };
+
+        colors = mkOption {
+          description = ''
+            Colors by their name.
+          '';
+          type = submodule {
+            options = {
+              red    = colorOpt;
+              green  = colorOpt;
+              blue   = colorOpt;
+              cyan   = colorOpt;
+              purple = colorOpt;
+              pink   = colorOpt;
+              yellow = colorOpt;
+              orange = colorOpt;
+            };
+          };
+        };
+      };
+    };
+  };
+
+}
\ No newline at end of file
diff --git a/system/dev-lt-63/term.nix b/system/dev-lt-63/term.nix
new file mode 100644
index 0000000..511992a
--- /dev/null
+++ b/system/dev-lt-63/term.nix
@@ -0,0 +1,21 @@
+{ pkgs, config, ... }:
+
+let theme = config.theme; in {
+
+  programs.kitty = {
+    enable = true;
+
+    settings = {
+      term = "xterm";
+      enable_audio_bell = false;
+      scrollback_lines = 5000000;
+      background = theme.background.basic;
+    };
+
+    font = {
+      name = "Fira Code";
+      package = pkgs.fira-code;
+    };
+  };
+
+}
\ No newline at end of file
diff --git a/system/thor/core.nix b/system/thor/core.nix
index 30085c1..a12c928 100644
--- a/system/thor/core.nix
+++ b/system/thor/core.nix
@@ -43,9 +43,7 @@
     fsType = "vfat";
   };
 
-  #TODO
-
-  swapDevices = [ 
-	{device = "/dev/nixos/swap";}
-   ];
+  swapDevices = [
+    { device = "/dev/nixos/swap"; }
+  ];
 }
diff --git a/themes/lean.nix b/themes/lean.nix
new file mode 100644
index 0000000..fe2a03e
--- /dev/null
+++ b/themes/lean.nix
@@ -0,0 +1,90 @@
+rec {
+
+  background = {
+    basic = "121212";
+    major = "010101";
+    minor = "212121";
+  };
+
+  foreground = {
+    basic = "f5f5f5";
+    major = "ffffff";
+    minor = "ebebeb";
+  };
+
+  failure = colors.red.major;
+  success = colors.green.major;
+  warning = colors.orange.basic;
+
+  colors = {
+
+    red = {
+      basic = "f0593e";
+      major = "ff3814";
+      minor = "ff8873";
+    };
+
+    green = {
+      basic = "2aa61c";
+      major = "39e825";
+      minor = "72eb65";
+    };
+
+    blue = {
+      basic = "3171eb";
+      major = "4160fa";
+      minor = "73a0f5";
+    };
+    
+    cyan = {
+      basic = "42cef5";
+      major = "42f5f2";
+      minor = "91e7ff";
+    };
+    
+    purple = {
+      basic = "9d24bf";
+      major = "ca45f0";
+      minor = "e28efa";
+    };
+    
+    pink = {
+      basic = "f25ac0";
+      major = "f71eaf";
+      minor = "f781d0";
+    };
+    
+    yellow = {
+      basic = "d3e848";
+      major = "d7f700";
+      minor = "dbe884";
+    };
+    
+    orange = {
+      basic = "f7a100";
+      major = "f77700";
+      minor = "f5b742";
+    };
+
+  };
+
+  accent = rec {
+
+    primary   = colors.green;
+    secondary = colors.purple;
+    tertiary  = colors.pink;
+
+    ordered = with colors; {
+      "0" = primary;
+      "1" = secondary;
+      "2" = tertiary;
+      "3" = blue;
+      "4" = red;
+      "5" = orange;
+      "6" = yellow;
+      "7" = cyan;
+    };
+
+  };
+
+}
\ No newline at end of file