diff --git a/custom/lockscreen/default.nix b/custom/lockscreen/default.nix
index 64da0de..5aeecf3 100644
--- a/custom/lockscreen/default.nix
+++ b/custom/lockscreen/default.nix
@@ -1,16 +1,16 @@
 { lib
 , stdenv
-, extra
+, rice
 , roboto
 , i3lock-color
 , update-background
 , writeScript
 , font ? { package = roboto; name = "Roboto"; }
-, palette ? extra.palette.palette {}
+, palette ? rice.palette.palette {}
 , ...
 }:
 let
-  strPalette = extra.palette.toRGBAHex palette;
+  strPalette = rice.palette.toRGBAHex palette;
 in
 writeScript "lockscreen.sh" ''
   #!/bin/sh
diff --git a/extra/color/default.nix b/extra/color/default.nix
deleted file mode 100644
index d839677..0000000
--- a/extra/color/default.nix
+++ /dev/null
@@ -1,303 +0,0 @@
-{ pkgs, lib ? pkgs.lib, hex, float, ... }:
-let
-  inherit (builtins) isInt isString isFloat trace div isAttrs hasAttr;
-  inherit (lib.trivial) min max;
-  inherit (lib.lists) head tail drop last;
-  inherit (lib.strings) concatMapStrings fixedWidthString match toLower toInt;
-
-  ## OPERATORS
-  # Module operator implementation for floats
-  div' = n: d: float.floor (div (float.ensureFloat n) (float.ensureFloat d));
-  mod' = n: d:
-    let
-      f = div' n d;
-    in
-      n - (float.fromInt f) * d;
-
-  # Absolute operator implementation
-  _abs = v: if v < 0 then (-v) else v;
-
-  # Check if `v` is between `a` and `b`
-  _inRange = a: b: v: (v <= max a b) && (v >= min a b);
-
-  # Clamp `v` between `a` and `v`
-  _clamp = a: b: v: min (max v (min a b)) (max a b);
-
-  ## 8BIT
-  # Check if `v` is in 8Bit format
-  _is8Bit = v: _inRange 0.0 255.0 v;
-
-  # Clamp 8bit value
-  _clamp8Bit = _clamp 0.0 255.0;
-
-  # Apply function to 8bit value and clamp the result
-  _tclamp8Bit = f: v: _clamp8Bit (f v);
-
-  ## UNARY
-  # Check if input is in [0, 1]
-  _isUnary = _inRange 0.0 1.0;
-
-  # Clamp input to [0, 1]
-  _clampUnary = _clamp 0.0 1.0;
-
-  # Apply function to unary value and clamp the result
-  _tclampUnary = f: v: _clampUnary (f v);
-
-
-  # Check if input is in [0, 360]
-  _isHue = _inRange 0.0 360.0;
-
-  # Apply function to hue value and map the result in [0, 360)
-  _tHue = f: v: mod' (f v) 360.0;
-
-  # RGB constructor
-  _rgba = { r, g, b, a ? 255.0 }:
-    assert (_is8Bit r);
-    assert (_is8Bit g);
-    assert (_is8Bit b);
-    { inherit r g b a; };
-
-  # HSLA constructor
-  _hsla = { h, l, s ? 1.0, a ? 255.0 }:
-    assert (_inRange 0.0 360.0 h);
-    assert (_isUnary s);
-    assert (_isUnary l);
-    assert (_isUnary a);
-    { inherit h s l a; };
-
-in
-rec {
-
-  inherit div' mod' _abs _inRange _clamp _is8Bit _clamp8Bit _tclamp8Bit _isUnary _clampUnary _tclampUnary _tHue _rgba _hsla;
-
-  rgba = _rgba;
-
-  isRgba = c: if isAttrs c && hasAttr "r" c && hasAttr "g" c && hasAttr "b" c && hasAttr "a" c then
-    0 <= c.r && c.r <= 255 && 0 <= c.g && c.g <= 255 && 0 <= c.b && c.b <= 255 && 0 <= c.a && c.a <= 255
-  else false;
-
-  hsla = _hsla;
-
-  isHsla = c: if isAttrs c hasAttr "h" c && hasAttr "s" c && hasAttr "l" c && hasAttr "a" c then
-    0 <= c.h && c.h <= 255 && 0 <= c.s && c.s <= 255 && 0 <= c.l && c.l <= 255 && 0 <= c.a && c.a <= 255
-  else false;
-
-  ## CONVERSION
-  # RGB to HSL
-  rgbaToHsla = color:
-    let
-      c_color = _rgba color;
-      r = c_color.r / 255.0;
-      g = c_color.g / 255.0;
-      b = c_color.b / 255.0;
-      a = c_color.a / 255.0;
-      c_min = min (min r g) b;
-      c_max = max (max r g) b;
-      delta = c_max - c_min;
-
-      hue = (
-        if delta == 0.0 then 0.0 else
-          if r == c_max then (mod' (((g - b) / delta) + 6) 6) else
-            if g == c_max then (b - r) / delta + 2 else
-              assert b == c_max; (r - g) / delta + 4
-      ) * 60;
-      lightness = (c_min + c_max) / 2.0;
-      saturation =
-        if delta == 0.0 then 0.0 else
-          delta / (1 - _abs (2.0 * lightness - 1.0));
-    in
-      assert (isRgba color);
-      _hsla {
-        l = _clampUnary lightness;
-        s = _clampUnary saturation;
-        h = mod' hue 360.0;
-        a = _clampUnary a;
-      };
-
-  # HSL to RGB
-  hslToRgb = color:
-    let
-      # check if `v` is in [a, b)
-      _checkRange = a: b: v: a <= v && v < b;
-      c_color = _hsla color;
-      h = c_color.h;
-      s = c_color.s;
-      l = c_color.l;
-      a = c_color.a;
-      c = (1 - (_abs (2 * l - 1))) * s;
-      x = c * (1 - _abs ((mod' (h / 60) 2) - 1));
-      m = l - (c / 2.0);
-
-      r' = if _inRange 120 240 h then 0 else
-        if _inRange 60 300 h then x else
-          c;
-      g' = if _inRange 60 180 h then c else
-        if _inRange 0 240 h then x else
-          0;
-      b' = if _inRange 180 300 h then c else
-        if _inRange 120 360 h then x else
-          0;
-    in
-      assert (isHsla);
-      _rgba {
-        r = _clamp8Bit ((r' + m) * 255.0);
-        g = _clamp8Bit ((g' + m) * 255.0);
-        b = _clamp8Bit ((b' + m) * 255.0);
-        a = _clamp8Bit (a * 255.0);
-      };
-
-  ## TRANSFORM
-
-  tRedRgba = f: color: assert (isRgba color); color // { r = _tclamp8Bit f color.r; };
-  tGreenRgba = f: color: assert (isRgba color); color // { g = _tclamp8Bit f color.g; };
-  tBlueRgba = f: color: assert (isRgba color); color // { b = _tclamp8Bit f color.b; };
-  tAlphaRgba = f: color: assert (isRgba color); color // { a = _tclamp8Bit f color.a; };
-
-  setRedRgba = r: color: tGreenRgba (v: r) color;
-  setGreenRgba = g: color: tBlueRgba (v: g) color;
-  setBlueRgba = b: color: tAlphaRgba (v: b) color;
-  setAlphaRgba = a: color: tRedRgba (v: a) color;
-
-  tRedHsla = f: color: assert (isHsla color); color // { h = _tHue f color.h; };
-  tGreenHsla = f: color: assert (isHsla color); color // { s = _tclampUnary f color.s; };
-  tBlueHsla = f: color: assert (isHsla color); color // { l = _tclampUnary f color.l; };
-  tAlphaHsla = f: color: assert (isHsla color); color // { a = _tclampUnary f color.a; };
-
-  setRedHsla = h: color: tGreenHsla (v: h) color;
-  setGreenHsla = s: color: tBlueHsla (v: s) color;
-  setBlueHsla = l: color: tAlphaHsla (v: l) color;
-  setAlphaHsla = a: color: tRedHsla (v: a) color;
-
-  ## RGB TRANSFORM
-  # Add brightness value as integer value or percent value
-  brighten = color: value:
-    let
-      directValue = if isInt value || isFloat value then value else null;
-      positiveMatches = match "([[:digit:]]+)%" value;
-      negativeMatches = match "-([[:digit:]]+)%" value;
-      percentValue =
-        if positiveMatches != null then toInt (head positiveMatches)
-        else if negativeMatches != null then (-toInt (head negativeMatches))
-        else null;
-      valueTransform = v:
-        if directValue != null then _clamp8Bit (v + directValue)
-        else _clamp8Bit (v * (100.0 + percentValue) / 100.0);
-    in
-      tBlueRgba valueTransform (tGreenRgba valueTransform (tRedRgba valueTransform color));
-
-  darken = color: value:
-    let
-      directValue = if isInt value || isFloat value then value else null;
-      positiveMatches = match "([[:digit:]]+)%" value;
-      negativeMatches = match "-([[:digit:]]+)%" value;
-      percentValue =
-        if positiveMatches != null then toInt (head positiveMatches)
-        else if negativeMatches != null then (-toInt (head negativeMatches))
-        else null;
-      valueTransform = v:
-        if directValue != null then _clamp8Bit (v - directValue)
-        else _clamp8Bit (v * (100.0 - percentValue) / 100.0);
-    in
-      tBlueRgba valueTransform (tGreenRgba valueTransform (tRedRgba valueTransform color));
-
-  ## DESERIALIZATION
-  # Parse a hex color string to a RGBA color
-  hexToRgba = s:
-    let
-      rgba = match "#([[:xdigit:]]{2})([[:xdigit:]]{2})([[:xdigit:]]{2})([[:xdigit:]]{2})" s;
-      rgb = match "#([[:xdigit:]]{2})([[:xdigit:]]{2})([[:xdigit:]]{2})" s;
-      hex_list = (if isNull rgb then rgba else rgb ++ [ "FF" ]);
-      values = map (s: float.fromInt (hex.toDec s)) hex_list;
-    in
-      _rgba {
-        r = head values;
-        g = head (tail values);
-        b = head (drop 2 values);
-        a = last values;
-      };
-
-  # Parse a hex color string to a HSLA color
-  hexToHsla = s:
-    let
-      hsla = match "#([[:xdigit:]]{2})([[:xdigit:]]{2})([[:xdigit:]]{2})([[:xdigit:]]{2})" s;
-      hsl = match "#([[:xdigit:]]{2})([[:xdigit:]]{2})([[:xdigit:]]{2})" s;
-      hex_list = (if isNull hsl then hsla else hsl ++ [ "FF" ]);
-      values = map (s: float.fromInt (hex.toDec s)) hex_list;
-    in
-      _hsla {
-        h = head values;
-        s = head (tail values);
-        l = head (drop 2 values);
-        a = last values;
-      };
-
-
-  ## SERIALIZATION
-  # Print RGB color as uppercase hex string
-  toRGBHex = color:
-    let
-      inherit (color) r g b;
-    in
-      assert (isRgba color);
-      ''#${concatMapStrings (v: fixedWidthString 2 "0" (hex.fromDec (float.round v))) [ r g b ]}'';
-
-  # Print RGBA color as uppercase hex string
-  toRGBAHex = color:
-    let
-      inherit (color) r g b a;
-    in
-      assert (isRgba color);
-      ''#${concatMapStrings (v: fixedWidthString 2 "0" (hex.fromDec (float.round v))) [ r g b a ]}'';
-
-  # Print RGBA color as uppercase hex string in the form ARGB (Polybar uses this format)
-  toARGBHex = color:
-    let
-      inherit (color) r g b a;
-    in
-      assert (isRgba color);
-      ''#${concatMapStrings (v: fixedWidthString 2 "0" (hex.fromDec (float.round v))) [ a r g b ]}'';
-
-
-  # Print RGB color as lowercase hex string
-  toRgbHex = color: toLower (toRGBHex color);
-
-  # Print RGBA color as lowercase hex string
-  toRgbaHex = color: toLower (toRGBAHex color);
-
-  # Print RGBA color as lowercase hex string in the form argb (Polybar uses this format)
-  toArgbHex = color: toLower (toArgbHex color);
-
-  # Print RGB color as uppercase hex string
-  toHSLHex = color:
-    let
-      inherit (color) h s l;
-    in
-      assert (isHsla color);
-      ''#${concatMapStrings (v: fixedWidthString 2 "0" (hex.fromDec (float.round v))) [ h s l ]}'';
-
-  # Print HSLA color as uppercase hex string
-  toHSLAHex = color:
-    let
-      inherit (color) h s l a;
-    in
-      assert (isHsla color);
-      ''#${concatMapStrings (v: fixedWidthString 2 "0" (hex.fromDec (float.round v))) [ h s l a ]}'';
-
-  # Print HSL color as lowercase hex string
-  toHslHex = color: toLower (toHSLHex color);
-
-  # Print HSLA color as lowercase hex string
-  toHslaHex = color: toLower (toHSLAHex color);
-
-
-  ## CONSTANTS
-  black = hexToRgba "#000000"; #         RGB (0,0,0)       HSL (0°,0%,0%)
-  white = hexToRgba "#FFFFFF"; #         RGB (255,255,255) HSL (0°,0%,100%)
-  red = hexToRgba "#FF0000"; #           RGB (255,0,0)     HSL (0°,100%,50%)
-  green = hexToRgba "#00FF00"; #         RGB (0,255,0)     HSL (120°,100%,50%)
-  blue = hexToRgba "#0000FF"; #          RGB (0,0,255)     HSL (240°,100%,50%)
-  yellow = hexToRgba "#FFFF00"; #        RGB (255,255,0)   HSL (60°,100%,50%)
-  cyan = hexToRgba "#00FFFF"; #          RGB (0,255,255)   HSL (180°,100%,50%)
-  magenta = hexToRgba "#FF00FF"; #       RGB (255,0,255)   HSL (300°,100%,50%)
-  transparent = hexToRgba "#00000000"; # RGBA (0,0,0,0)    HSLA (0°,0%,0%,0%)
-}
diff --git a/extra/default.nix b/extra/default.nix
deleted file mode 100644
index 61751df..0000000
--- a/extra/default.nix
+++ /dev/null
@@ -1,15 +0,0 @@
-{ system ? builtins.currentSystem
-, pkgs ? import <nixpkgs> {}
-, lib ? pkgs.lib
-, ...
-}:
-let
-  callPackage = lib.callPackageWith (pkgs // self);
-  self = rec {
-    float = callPackage ./float {};
-    hex = callPackage ./hex {};
-    color = callPackage ./color {};
-    palette = callPackage ./palette {};
-  };
-in
-(self)
diff --git a/extra/float/default.nix b/extra/float/default.nix
deleted file mode 100644
index 6df72be..0000000
--- a/extra/float/default.nix
+++ /dev/null
@@ -1,45 +0,0 @@
-{ pkgs, lib ? pkgs.lib, ... }:
-let
-  inherit (builtins) head tail isFloat isInt;
-  inherit (lib.strings) toInt match splitString;
-  floatComponents = f: splitString "." (toString f);
-in
-rec {
-
-  # Force a number to be a float (hacky but works)
-  ensureFloat = v:
-    assert (isInt v || isFloat v);
-    v + 0.1 - 0.1;
-
-  # Convert integer to float (hacky but it works)
-  fromInt = i:
-    assert isInt i;
-    ensureFloat i;
-
-  # Round float to upper integer
-  ceil = f:
-    let
-      comp = floatComponents f;
-      int = toInt (head comp);
-      inc = if match "[1-9][[:digit:]]*" (head (tail comp)) != null then 1 else 0;
-    in
-      assert(isFloat f);
-      int + inc;
-
-  # Round float to lower integer
-  floor = f:
-    let
-      int = toInt (head (floatComponents f));
-    in
-      assert(isFloat f);
-      int;
-
-  # Round float to closest integer
-  round = f:
-    let
-      comp = floatComponents (ensureFloat f);
-      int = toInt (head comp);
-      inc = if match "[5-9][[:digit:]]*" (head (tail comp)) != null then 1 else 0;
-    in
-      int + inc;
-}
diff --git a/extra/hex/default.nix b/extra/hex/default.nix
deleted file mode 100644
index 0001f49..0000000
--- a/extra/hex/default.nix
+++ /dev/null
@@ -1,46 +0,0 @@
-{ pkgs, lib ? pkgs.lib, ... }:
-let
-  inherit (lib.trivial) toHexString;
-  inherit (lib.strings) match toUpper stringToCharacters;
-  inherit (lib.lists) foldl;
-
-  # Parse a single hexadecimal digit to an integer
-  _parseDigit = c:
-    let
-      v = toUpper c;
-    in
-      assert(match "[0-9A-F]" v != null);
-      {
-        "0" = 0;
-        "1" = 1;
-        "2" = 2;
-        "3" = 3;
-        "4" = 4;
-        "5" = 5;
-        "6" = 6;
-        "7" = 7;
-        "8" = 8;
-        "9" = 9;
-        "A" = 10;
-        "B" = 11;
-        "C" = 12;
-        "D" = 13;
-        "E" = 14;
-        "F" = 15;
-      }."${v}";
-
-in
-rec {
-
-  # Convert an hexadecimal string to an integer
-  toDec = s:
-    let
-      characters = stringToCharacters s;
-      values = map _parseDigit characters;
-    in
-      foldl (acc: n: acc * 16 + n) 0 values;
-
-  # Convert an integer to a decimal string
-  fromDec = toHexString;
-
-}
diff --git a/extra/palette/default.nix b/extra/palette/default.nix
deleted file mode 100644
index 3383564..0000000
--- a/extra/palette/default.nix
+++ /dev/null
@@ -1,111 +0,0 @@
-{ pkgs, color, lib, ... }:
-let
-  inherit (builtins) isString;
-  inherit (lib.attrsets) mapAttrsRecursiveCond;
-in
-rec{
-
-  # Palette constructor
-  # Produces a palette of colors starting from sane defaults
-  # Override the inputs with your favorite colors
-  palette =
-    { black ? color.black
-    , red ? color.red
-    , green ? color.green
-    , yellow ? color.yellow
-    , blue ? color.blue
-    , magenta ? color.magenta
-    , cyan ? color.cyan
-    , white ? color.white
-    , bright-black ? color.brighten black "10%"
-    , bright-red ? color.brighten red "10%"
-    , bright-green ? color.brighten green "10%"
-    , bright-yellow ? color.brighten yellow "10%"
-    , bright-blue ? color.brighten blue "10%"
-    , bright-magenta ? color.brighten magenta "10%"
-    , bright-cyan ? color.brighten cyan "10%"
-    , bright-white ? color.brighten white "10%"
-    , dim-black ? color.darken black "10%"
-    , dim-red ? color.darken red "10%"
-    , dim-green ? color.darken green "10%"
-    , dim-yellow ? color.darken yellow "10%"
-    , dim-blue ? color.darken blue "10%"
-    , dim-magenta ? color.darken magenta "10%"
-    , dim-cyan ? color.darken cyan "10%"
-    , dim-white ? color.darken white "10%"
-    , primary-background ? black
-    , primary-foreground ? white
-    , primary-dim_foreground ? color.darken primary-foreground "10%"
-    , cursor-text ? primary-background
-    , cursor-cursor ? primary-foreground
-    , vi-cursor-text ? cursor-text
-    , vi-cursor-cursor ? cursor-cursor
-    }: {
-      normal = {
-        black = assert(color.isRgba black); black;
-        red = assert(color.isRgba red); red;
-        green = assert(color.isRgba green); green;
-        yellow = assert(color.isRgba yellow); yellow;
-        blue = assert(color.isRgba blue); blue;
-        magenta = assert(color.isRgba magenta); magenta;
-        cyan = assert(color.isRgba cyan); cyan;
-        white = assert(color.isRgba white); white;
-      };
-      bright = {
-        black = assert(color.isRgba bright-black); bright-black;
-        red = assert(color.isRgba bright-red); bright-red;
-        green = assert(color.isRgba bright-green); bright-green;
-        yellow = assert(color.isRgba bright-yellow); bright-yellow;
-        blue = assert(color.isRgba bright-blue); bright-blue;
-        magenta = assert(color.isRgba bright-magenta); bright-magenta;
-        cyan = assert(color.isRgba bright-cyan); bright-cyan;
-        white = assert(color.isRgba bright-white); bright-white;
-      };
-      dim = {
-        black = assert(color.isRgba dim-black); dim-black;
-        red = assert(color.isRgba dim-red); dim-red;
-        green = assert(color.isRgba dim-green); dim-green;
-        yellow = assert(color.isRgba dim-yellow); dim-yellow;
-        blue = assert(color.isRgba dim-blue); dim-blue;
-        magenta = assert(color.isRgba dim-magenta); dim-magenta;
-        cyan = assert(color.isRgba dim-cyan); dim-cyan;
-        white = assert(color.isRgba dim-white); dim-white;
-      };
-      primary = {
-        background = assert(color.isRgba primary-background); primary-background;
-        foreground = assert(color.isRgba primary-foreground); primary-foreground;
-        dim_foreground = assert(color.isRgba primary-dim_foreground);primary-dim_foreground;
-      };
-      cursor = {
-        cursor = assert(color.isRgba cursor-cursor); cursor-cursor;
-        text = assert(color.isRgba cursor-text); cursor-text;
-      };
-      vi_mode_cursor = {
-        cursor = assert(color.isRgba cursor-cursor); cursor-cursor;
-        text = assert(color.isRgba cursor-text); cursor-text;
-      };
-    };
-
-
-  ## TRANSFORM
-  tPalette = f: p: mapAttrsRecursiveCond (v: !color.isRgba v) (a: v: f v) p;
-
-  ## SERIALIZATION
-  # Try to convert input colors to a lowercase hex encoded RGBA color
-  toRgbaHex = tPalette color.toRgbaHex;
-
-  # Try to convert input colors to a uppercase hex encoded RGBA color
-  toRGBAHex = tPalette color.toRGBAHex;
-
-  # Try to convert input colors to a lowercase hex encoded RGB color
-  toRgbHex = tPalette color.toRgbHex;
-
-  # Try to convert input colors to a lowercase hex encoded RGB color
-  toRGBHex = tPalette color.toRGBHex;
-
-  # Try to convert input colors to a uppercase hex encoded RGB color in the form ARGB (Polybar uses this format)
-  toARGBHex = tPalette color.toARGBHex;
-
-  # Try to convert input colors to a lowercase hex encoded RGB color in the form argb (Polybar uses this format)
-  toArgbHex = tPalette color.toArgbHex;
-}
diff --git a/home.nix b/home.nix
index 55b33e0..cac181e 100644
--- a/home.nix
+++ b/home.nix
@@ -2,6 +2,10 @@
 
 let
   nixpkgs = import <nixpkgs> {};
+  nix-rice = fetchTarball {
+    url = "https://github.com/bertof/nix-rice/archive/refs/tags/v0.1.0.tar.gz";
+    sha256 = "0am3fnn8lqbi0mhz8jxqskchw1phy5s7kkmrk6jw519dasqq6an7";
+  };
   callPackage = pkgs.lib.callPackageWith pkgs;
   nord = import ./themes/nord.nix;
   onedark = import ./themes/onedark.nix;
@@ -12,12 +16,12 @@ in
   };
 
   nixpkgs.overlays = [
-    (final: prev: { extra = (prev.lib.callPackageWith prev) ./extra/default.nix {}; }) # Custom library
+    (final: prev: { rice = (prev.lib.callPackageWith prev) nix-rice {}; }) # Custom library
     (final: prev: (prev.lib.callPackageWith prev) ./custom/default.nix {}) # Custom packges
     (
       final: prev: rec {
-        extra = prev.extra // {
-          colorPalette = with pkgs.extra; palette.palette {
+        rice = prev.rice // {
+          colorPalette = with pkgs.rice; palette.palette {
             black = color.hexToRgba nord.n0;
             red = color.hexToRgba nord.n11;
             green = color.hexToRgba nord.n14;
@@ -41,8 +45,8 @@ in
     (
       final: prev: {
         lockscreen = prev.lockscreen.override {
-          palette = prev.extra.colorPalette;
-          font = prev.extra.font.normal;
+          palette = prev.rice.colorPalette;
+          font = prev.rice.font.normal;
         };
       }
     )
@@ -103,6 +107,7 @@ in
       tdesktop
       teams
       transmission-gtk
+      virt-manager
       wineFull
       wireguard
       xclip
diff --git a/modules/alacritty.nix b/modules/alacritty.nix
index 73b0bf9..b9660a2 100644
--- a/modules/alacritty.nix
+++ b/modules/alacritty.nix
@@ -1,14 +1,14 @@
 { pkgs, lib, ... }:
 {
   # Include fonts packages
-  home.packages = [ pkgs.extra.font.monospace.package ];
+  home.packages = [ pkgs.rice.font.monospace.package ];
   programs.alacritty = {
     enable = true;
     settings = {
       env.TERM = "xterm-256color";
       scrolling.history = 3000;
       font = {
-        normal.family = pkgs.extra.font.monospace.name;
+        normal.family = pkgs.rice.font.monospace.name;
         size = 9.0;
       };
       background_opacity = 0.95;
@@ -17,7 +17,7 @@
         hints.modifiers = "Control";
       };
 
-      colors = with pkgs.extra; {
+      colors = with pkgs.rice; {
 
         primary = palette.toRgbHex colorPalette.primary;
         cursor = palette.toRgbHex colorPalette.cursor;
diff --git a/modules/bspwm.nix b/modules/bspwm.nix
index d4fc71a..a778314 100644
--- a/modules/bspwm.nix
+++ b/modules/bspwm.nix
@@ -2,7 +2,7 @@
 
 let
   monitorPages = [ "I" "II" "III" "IV" "V" "VI" "VII" "VIII" "IX" "X" ];
-  strPalette = pkgs.extra.palette.toRGBHex pkgs.extra.colorPalette;
+  strPalette = pkgs.rice.palette.toRGBHex pkgs.rice.colorPalette;
 in
 {
   xsession.windowManager.bspwm = {
diff --git a/modules/dunst.nix b/modules/dunst.nix
index bfa9df6..ae48965 100644
--- a/modules/dunst.nix
+++ b/modules/dunst.nix
@@ -3,10 +3,10 @@ let
   rofi_dmenu = "${pkgs.rofi} -dmenu";
   firefox = "${pkgs.firefox}/bin/firefox";
   dmenu = "${pkgs.dmenu}/bin/dmenu";
-  palette = pkgs.extra.palette.toRGBHex pkgs.extra.colorPalette;
+  palette = pkgs.rice.palette.toRGBHex pkgs.rice.colorPalette;
 in
 {
-  home.packages = with pkgs; [ dunst extra.font.normal.package ];
+  home.packages = with pkgs; [ dunst rice.font.normal.package ];
   services.dunst = {
     enable = true;
     iconTheme = {
@@ -31,7 +31,7 @@ in
         sort = "yes";
         idle_threshold = 120;
 
-        font = "${pkgs.extra.font.normal.name} 10";
+        font = "${pkgs.rice.font.normal.name} 10";
         line_height = 0;
         markup = "full";
         format = "<b>%s</b>\\n%b";
diff --git a/modules/polybar.nix b/modules/polybar.nix
index c0431ad..ad60958 100644
--- a/modules/polybar.nix
+++ b/modules/polybar.nix
@@ -8,7 +8,9 @@ let
   pkill = "${pkgs.procps}/bin/pkill";
   playerCtl = "${pkgs.playerctl}/bin/playerctl";
   playerStatus = "${playerCtl} -f '{{emoji(status)}} {{title}} - {{artist}}' metadata | ${head} -c 60";
-  colors = with pkgs.extra; palette.toARGBHex rec {
+  alacritty = "${pkgs.alacritty}/bin/alacritty";
+  btm = "${pkgs.bottom}/bin/btm";
+  colors = with pkgs.rice; palette.toARGBHex rec {
 
     normal = {
       foreground = colorPalette.normal.white;
diff --git a/nixos/base.nix b/nixos/base.nix
index ffb46e1..88424d6 100644
--- a/nixos/base.nix
+++ b/nixos/base.nix
@@ -99,7 +99,14 @@
   # Define a user account. Don't forget to set a password with ‘passwd’.
   users.users.bertof = {
     isNormalUser = true;
-    extraGroups = [ "wheel" "input" "usb" "network" "audio" ]; # Enable ‘sudo’ for the user.
+    extraGroups = [
+      "audio"
+      "input"
+      "libvirtd"
+      "network"
+      "usb"
+      "wheel"
+    ];
     shell = pkgs.zsh;
   };