diff --git a/css.nix b/css.nix
index 149bc0c..1026ce3 100644
--- a/css.nix
+++ b/css.nix
@@ -1,15 +1,16 @@
-{ utils }:
-let
+{utils}: let
   inherit (utils) mapAttrsToList concatStringsSep isList toString map;
 
-  evalCssValue = value: if isList value then concatStringsSep ", " (map toString value) else toString value;
+  evalCssValue = value:
+    if isList value
+    then concatStringsSep ", " (map toString value)
+    else toString value;
   evalInner = inner: concatStringsSep " " (mapAttrsToList (name: value: "${name}: ${evalCssValue value};") inner);
   css = maybeAttrs:
     if isList maybeAttrs
     then concatStringsSep " " maybeAttrs
     else concatStringsSep " " (mapAttrsToList (name: inner: "${name} { ${evalInner inner} }") maybeAttrs);
-in
-{
+in {
   inherit css;
 
   media = rule: inner: ''
diff --git a/examples/serve.nix b/examples/serve.nix
index ba309c0..c04ff72 100644
--- a/examples/serve.nix
+++ b/examples/serve.nix
@@ -1,6 +1,8 @@
-{ tags, pkgs }:
-with pkgs.htmlNix;
-let
+{
+  tags,
+  pkgs,
+}:
+with pkgs.htmlNix; let
   index = with tags;
     html [
       (body [
@@ -17,6 +19,9 @@ let
       ])
     ];
 
-  site = { "index.html" = index; "ex.html" = ex; };
+  site = {
+    "index.html" = index;
+    "ex.html" = ex;
+  };
 in
-mkServeFromSite site
+  mkServeFromSite site
diff --git a/examples/site.nix b/examples/site.nix
index 5b6e34a..332b0cd 100644
--- a/examples/site.nix
+++ b/examples/site.nix
@@ -1,10 +1,12 @@
-{ pkgs, lib }:
-let
+{
+  pkgs,
+  lib,
+}: let
   inherit (pkgs) htmlNix;
   src = ./site;
 in
-htmlNix.mkServeFromSite (htmlNix.mkSiteFrom {
-  inherit src;
-  templater = lib.templaters.basic;
-  local = true;
-})
+  htmlNix.mkServeFromSite (htmlNix.mkSiteFrom {
+    inherit src;
+    templater = lib.templaters.basic;
+    local = true;
+  })
diff --git a/examples/tags.nix b/examples/tags.nix
index 868a1e9..2909c09 100644
--- a/examples/tags.nix
+++ b/examples/tags.nix
@@ -1,7 +1,8 @@
-tags: with tags;
-html [
-  (body [
-    (p "Hello,")
-    (p "world!")
-  ])
-]
+tags:
+with tags;
+  html [
+    (body [
+      (p "Hello,")
+      (p "world!")
+    ])
+  ]
diff --git a/flake.nix b/flake.nix
index f65389b..ae5dd4e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -4,50 +4,54 @@
     flakeUtils.url = "github:numtide/flake-utils";
   };
 
-  outputs = { self, flakeUtils, nixpkgs }:
-    let
-      utils = import ./utils.nix;
+  outputs = {
+    self,
+    flakeUtils,
+    nixpkgs,
+  }: let
+    utils = import ./utils.nix;
 
+    lib = {
+      # Convert Nix expressions to HTML
+      tags = import ./tags.nix {inherit utils;};
+      # Convert Nix expressions to CSS
+      css = import ./css.nix {inherit utils;};
+
+      # Various site templaters
+      templaters = {
+        # Basic templater with purecss, mobile responsive layout and supports posts
+        basic = import ./templaters/basic.nix;
+      };
+    };
+
+    outputs = flakeUtils.lib.eachDefaultSystem (system: let
+      pkgs = nixpkgs.legacyPackagse.${system};
+    in {
       lib = {
-        # Convert Nix expressions to HTML
-        tags = import ./tags.nix { inherit utils; };
-        # Convert Nix expressions to CSS
-        css = import ./css.nix { inherit utils; };
-
-        # Various site templaters
-        templaters = {
-          # Basic templater with purecss, mobile responsive layout and supports posts
-          basic = import ./templaters/basic.nix;
+        pkgsLib = import ./pkgs-lib.nix {
+          inherit pkgs;
+          utils = utils // {inherit (lib) tags css;};
         };
       };
 
-      overlay = final: prev: {
-        htmlNix = (import ./pkgs-lib.nix { pkgs = prev; utils = utils // { inherit (lib) tags css; }; }) // lib;
+      apps = with flakeUtils.lib; {
+        site = mkApp {
+          drv = import ./examples/site.nix {inherit lib pkgs;};
+          name = "serve";
+        };
+        basicServe = mkApp {
+          drv = import ./examples/serve.nix {
+            inherit (lib) tags;
+            inherit pkgs;
+          };
+          name = "serve";
+        };
       };
-    in
-    { inherit overlay; } //
-    (flakeUtils.lib.eachDefaultSystem (system:
-      let
-        pkgs = import nixpkgs { inherit system; overlays = [ overlay ]; };
-      in
-      {
-        lib = lib // {
-          pkgsLib = import ./pkgs-lib.nix { inherit pkgs; utils = utils // { inherit (lib) tags css; }; };
-        };
 
-        apps = with flakeUtils.lib; {
-          site = mkApp {
-            drv = import ./examples/site.nix { inherit lib pkgs; };
-            name = "serve";
-          };
-          basicServe = mkApp {
-            drv = import ./examples/serve.nix { inherit (lib) tags; inherit pkgs; };
-            name = "serve";
-          };
-        };
-
-        examples = {
-          tags = import ./examples/tags.nix lib.tags;
-        };
-      }));
+      examples = {
+        tags = import ./examples/tags.nix lib.tags;
+      };
+    });
+  in
+    outputs // {lib = outputs.lib // lib;};
 }
diff --git a/pkgs-lib.nix b/pkgs-lib.nix
index 1471e32..da17bd2 100644
--- a/pkgs-lib.nix
+++ b/pkgs-lib.nix
@@ -1,93 +1,104 @@
-{ utils, pkgs }:
-let
+{
+  utils,
+  pkgs,
+}: let
   pkgBin = name: "${pkgs.${name}}/bin/${name}";
 
-  mkServePathScript = path: pkgs.writeScriptBin "serve" ''
-    #!${pkgs.stdenv.shell}
-    cd ${path}
-    ${pkgBin "caddy"} run --config Caddyfile
-  '';
+  mkServePathScript = path:
+    pkgs.writeScriptBin "serve" ''
+      #!${pkgs.stdenv.shell}
+      cd ${path}
+      ${pkgBin "caddy"} run --config Caddyfile
+    '';
 
-  mkSitePath = site:
-    let
-      inherit (utils) recursiveAttrPaths concatStringsSep map;
-      inherit (pkgs.lib) mapAttrsRecursive init last getAttrFromPath;
+  mkSitePath = site: let
+    inherit (utils) recursiveAttrPaths concatStringsSep map;
+    inherit (pkgs.lib) mapAttrsRecursive init last getAttrFromPath;
 
-      fileAttrPaths = recursiveAttrPaths site;
-      texts = mapAttrsRecursive (path: value: pkgs.writeText (concatStringsSep "-" path) value) site;
-      mkCreateFileCmd = path: value: let p = concatStringsSep "/" (init path); in "mkdir -p \"$out/${p}\" && ln -s \"${value}\" \"$out/${p}/${last path}\"";
-      createFileCmds = map (path: mkCreateFileCmd path (getAttrFromPath path texts)) fileAttrPaths;
-    in
-    pkgs.runCommandLocal "site-path" { } ''
+    fileAttrPaths = recursiveAttrPaths site;
+    texts = mapAttrsRecursive (path: value: pkgs.writeText (concatStringsSep "-" path) value) site;
+    mkCreateFileCmd = path: value: let p = concatStringsSep "/" (init path); in "mkdir -p \"$out/${p}\" && ln -s \"${value}\" \"$out/${p}/${last path}\"";
+    createFileCmds = map (path: mkCreateFileCmd path (getAttrFromPath path texts)) fileAttrPaths;
+  in
+    pkgs.runCommandLocal "site-path" {} ''
       mkdir -p $out
       ${concatStringsSep "\n" createFileCmds}
     '';
 
   parseMarkdown = name: contents:
-    pkgs.runCommandLocal name { } ''
+    pkgs.runCommandLocal name {} ''
       printf ${pkgs.lib.escapeShellArg contents} | ${pkgBin "pandoc"} -f gfm > $out
     '';
-in
-{
+in {
   inherit mkServePathScript mkSitePath parseMarkdown;
 
   mkServeFromSite = site: mkServePathScript (mkSitePath site);
-  mkSiteFrom = { src, templater, local ? false }:
-    let
-      inherit (utils) readDir readFile fromTOML mapAttrsToList sort elemAt;
-      inherit (pkgs.lib) nameValuePair head splitString pipe removeSuffix mapAttrs';
+  mkSiteFrom = {
+    src,
+    templater,
+    local ? false,
+  }: let
+    inherit (utils) readDir readFile fromTOML mapAttrsToList sort elemAt;
+    inherit (pkgs.lib) nameValuePair head splitString pipe removeSuffix mapAttrs';
 
-      postsRendered =
-        let path = src + "/posts"; in
-        pipe (readDir path) [
-          (mapAttrsToList (name: _:
-            nameValuePair
-              (head (splitString "." name))
-              (readFile (parseMarkdown name (readFile (path + "/${name}"))))
-          ))
-          (sort (p: op:
-            let
-              extractDate = name: splitString "-" (head (splitString "_" name));
-              getPart = name: el: removeSuffix "0" (elemAt (extractDate name) el);
-              d = getPart p.name;
-              od = getPart op.name;
-            in
-              !(((d 0) > (od 0)) && ((d 1) > (od 1)) && ((d 2) > (od 2)))
-          ))
-        ];
-      pagesRendered =
-        let path = src + "/pages"; in
-        mapAttrs'
-          (name: _:
-            nameValuePair
-              (head (splitString "." name))
-              (readFile (parseMarkdown name (readFile (path + "/${name}"))))
-          )
-          (readDir path);
-      siteConfig = fromTOML (readFile (src + "/config.toml"));
-      baseurl = if local then "http://localhost:8080" else siteConfig.baseurl or (throw "Need baseurl");
-
-      context = {
-        inherit utils pkgs baseurl;
-        config = siteConfig;
-        posts = postsRendered;
-        pages = pagesRendered;
-        site = {
-          "robots.txt" = ''
-            User-agent: *
-            Allow: /
-          '';
-          "Caddyfile" = ''
-            ${baseurl}
-
-            handle_errors {
-              rewrite * /{http.error.status_code}.html
-              file_server
-            }
-            file_server
-          '';
-        };
-      };
+    postsRendered = let
+      path = src + "/posts";
     in
+      pipe (readDir path) [
+        (mapAttrsToList (
+          name: _:
+            nameValuePair
+            (head (splitString "." name))
+            (readFile (parseMarkdown name (readFile (path + "/${name}"))))
+        ))
+        (sort (
+          p: op: let
+            extractDate = name: splitString "-" (head (splitString "_" name));
+            getPart = name: el: removeSuffix "0" (elemAt (extractDate name) el);
+            d = getPart p.name;
+            od = getPart op.name;
+          in
+            !(((d 0) > (od 0)) && ((d 1) > (od 1)) && ((d 2) > (od 2)))
+        ))
+      ];
+    pagesRendered = let
+      path = src + "/pages";
+    in
+      mapAttrs'
+      (
+        name: _:
+          nameValuePair
+          (head (splitString "." name))
+          (readFile (parseMarkdown name (readFile (path + "/${name}"))))
+      )
+      (readDir path);
+    siteConfig = fromTOML (readFile (src + "/config.toml"));
+    baseurl =
+      if local
+      then "http://localhost:8080"
+      else siteConfig.baseurl or (throw "Need baseurl");
+
+    context = {
+      inherit utils pkgs baseurl;
+      config = siteConfig;
+      posts = postsRendered;
+      pages = pagesRendered;
+      site = {
+        "robots.txt" = ''
+          User-agent: *
+          Allow: /
+        '';
+        "Caddyfile" = ''
+          ${baseurl}
+
+          handle_errors {
+            rewrite * /{http.error.status_code}.html
+            file_server
+          }
+          file_server
+        '';
+      };
+    };
+  in
     (templater context).site;
 }
diff --git a/tags.nix b/tags.nix
index 1df9111..7c5a3a3 100644
--- a/tags.nix
+++ b/tags.nix
@@ -1,23 +1,31 @@
-{ utils }:
-let
+{utils}: let
   inherit (utils) concatStrings mapAttrsToList genAttrs isAttrs isList range toString;
 
   evalAttrs = attrs: concatStrings (mapAttrsToList (name: value: " ${name}=\"${value}\"") attrs);
-  evalChildren = children: if isList children then concatStrings children else children;
+  evalChildren = children:
+    if isList children
+    then concatStrings children
+    else children;
   tag = name: maybeAttrs:
     if isAttrs maybeAttrs
     then (children: "<${name}${evalAttrs maybeAttrs}>${evalChildren children}</${name}>")
-    else tag name { } maybeAttrs;
+    else tag name {} maybeAttrs;
   noChildrenTag = name: attrs: "<${name} ${evalAttrs attrs}>";
 
-  tagsToGen = [ "html" "head" "body" "div" "p" "a" "title" "code" "pre" "nav" "article" ] ++ (map (n: "h${toString n}") (range 1 6));
+  tagsToGen = ["html" "head" "body" "div" "p" "a" "title" "code" "pre" "nav" "article"] ++ (map (n: "h${toString n}") (range 1 6));
   tags = genAttrs tag tagsToGen;
 
-  noChildrenTagsToGen = [ "link" "meta" ];
+  noChildrenTagsToGen = ["link" "meta"];
   noChildrenTags = genAttrs noChildrenTag noChildrenTagsToGen;
 in
-tags // noChildrenTags // {
-  inherit tag;
-  mkLink = url: tags.a { href = url; };
-  mkStylesheet = url: noChildrenTags.link { rel = "stylesheet"; href = url; };
-}
+  tags
+  // noChildrenTags
+  // {
+    inherit tag;
+    mkLink = url: tags.a {href = url;};
+    mkStylesheet = url:
+      noChildrenTags.link {
+        rel = "stylesheet";
+        href = url;
+      };
+  }
diff --git a/templaters/basic.nix b/templaters/basic.nix
index cc16384..07e4527 100644
--- a/templaters/basic.nix
+++ b/templaters/basic.nix
@@ -1,5 +1,13 @@
-{ utils, posts, pkgs, config, pages, site, baseurl, ... }@context:
-let
+{
+  utils,
+  posts,
+  pkgs,
+  config,
+  pages,
+  site,
+  baseurl,
+  ...
+} @ context: let
   inherit (utils) readFile mapAttrsToList mapAttrs tags fetchGit map elemAt foldl' concatStrings genAttrs toString;
   inherit (pkgs.lib) optional length splitString nameValuePair toInt range mapAttrs';
 
@@ -9,67 +17,96 @@ let
     "${baseurl}/site.css"
   ];
 
-  renderPost = { name, value }:
-    let
-      parts = splitString "_" name;
-      id = elemAt parts 1;
-    in
-    with tags; article [
-      (a { href = "#${id}"; class = "postheader"; } (h2 { inherit id; } id))
-      (h3 ("date: " + (elemAt parts 0)))
-      value
-    ];
+  renderPost = {
+    name,
+    value,
+  }: let
+    parts = splitString "_" name;
+    id = elemAt parts 1;
+  in
+    with tags;
+      article [
+        (a {
+          href = "#${id}";
+          class = "postheader";
+        } (h2 {inherit id;} id))
+        (h3 ("date: " + (elemAt parts 0)))
+        value
+      ];
 
   pagesSection =
     (map
-      (name: tags.div { class = "pure-u-1"; } (tags.a { href = "${baseurl}/${name}/"; class = "pagelink"; } name))
-      (mapAttrsToList (name: _: name) pages)) ++ [ (tags.div { class = "pure-u-1"; } (tags.a { href = "${baseurl}/"; class = "pagelink"; } "posts")) ];
+      (name:
+        tags.div {class = "pure-u-1";} (tags.a {
+            href = "${baseurl}/${name}/";
+            class = "pagelink";
+          }
+          name))
+      (mapAttrsToList (name: _: name) pages))
+    ++ [
+      (tags.div {class = "pure-u-1";} (tags.a {
+        href = "${baseurl}/";
+        class = "pagelink";
+      } "posts"))
+    ];
 
-  postsSectionContent = with tags; [
-    (a { href = "#posts"; class = "postheader"; } (h1 "posts"))
-  ] ++ (map renderPost posts);
+  postsSectionContent = with tags;
+    [
+      (a {
+        href = "#posts";
+        class = "postheader";
+      } (h1 "posts"))
+    ]
+    ++ (map renderPost posts);
 
   sidebarSection = optional ((length pagesSection) > 0) (
-    with tags; nav { class = "sidebar"; } ([
-      (a { href = "#pages"; class = "postheader"; } (h1 "pages"))
-      (div { class = "pure-g"; } pagesSection)
-    ])
+    with tags;
+      nav {class = "sidebar";} [
+        (a {
+          href = "#pages";
+          class = "postheader";
+        } (h1 "pages"))
+        (div {class = "pure-g";} pagesSection)
+      ]
   );
 
-  mkPage = content: with tags;
-    ''
+  mkPage = content:
+    with tags; ''
       <!DOCTYPE html>
       ${html [
-        (head (stylesheets ++ [
-          (title config.title)
-          (meta { name = "viewport"; content = "width=device-width, initial-scale=1"; })
-        ]))
-        (body (sidebarSection ++ [ (div { class = "content"; } content) ]))
+        (head (stylesheets
+          ++ [
+            (title config.title)
+            (meta {
+              name = "viewport";
+              content = "width=device-width, initial-scale=1";
+            })
+          ]))
+        (body (sidebarSection ++ [(div {class = "content";} content)]))
       ]}
     '';
 
-  stylesheet =
-    with utils.css;
-    let
-      marginMobile = {
-        margin-left = "3%";
-        margin-right = "3%";
-      };
-    in
+  stylesheet = with utils.css; let
+    marginMobile = {
+      margin-left = "3%";
+      margin-right = "3%";
+    };
+  in
     css [
       (css (
         (
           mapAttrs'
-            (name: value: nameValuePair value { content = "\"${concatStrings (map (_: "#") (range 1 (toInt name)))} \""; })
-            (genAttrs (n: "h${toString n}:before") (map toString (range 1 6)))
-        ) // {
+          (name: value: nameValuePair value {content = "\"${concatStrings (map (_: "#") (range 1 (toInt name)))} \"";})
+          (genAttrs (n: "h${toString n}:before") (map toString (range 1 6)))
+        )
+        // {
           body = {
-            font-family = [ "Raleway" "Helvetica" "Arial" "sans-serif" ];
+            font-family = ["Raleway" "Helvetica" "Arial" "sans-serif"];
             background = "#111111";
             color = "#eeeeee";
           };
           pre = {
-            font-family = [ "Iosevka Term" "Iosevka" "monospace" ];
+            font-family = ["Iosevka Term" "Iosevka" "monospace"];
             background = "#171A21";
             color = "#eeeeee";
           };
@@ -101,22 +138,28 @@ let
         }
       ))
       (media "max-width: 48em" {
-        "nav.sidebar" = {
-          position = "relative";
-          margin-top = "5%";
-        } // marginMobile;
-        "div.content" = {
-          margin-top = 0;
-        } // marginMobile;
+        "nav.sidebar" =
+          {
+            position = "relative";
+            margin-top = "5%";
+          }
+          // marginMobile;
+        "div.content" =
+          {
+            margin-top = 0;
+          }
+          // marginMobile;
       })
     ];
-in
-{
+in {
   inherit stylesheets sidebarSection mkPage stylesheet;
 
-  site = site // {
-    "index.html" = mkPage postsSectionContent;
-    "404.html" = mkPage (tags.h1 "No such page");
-    "site.css" = stylesheet;
-  } // (mapAttrs (name: value: { "index.html" = mkPage value; }) pages);
+  site =
+    site
+    // {
+      "index.html" = mkPage postsSectionContent;
+      "404.html" = mkPage (tags.h1 "No such page");
+      "site.css" = stylesheet;
+    }
+    // (mapAttrs (name: value: {"index.html" = mkPage value;}) pages);
 }
diff --git a/utils.nix b/utils.nix
index 1a95d2a..2b8af61 100644
--- a/utils.nix
+++ b/utils.nix
@@ -3,34 +3,36 @@ let
 
   mapAttrsToList = f: attrs: map (name: f name attrs.${name}) (builtins.attrNames attrs);
 in
-{
-  inherit mapAttrsToList;
+  {
+    inherit mapAttrsToList;
 
-  recursiveAttrPaths = set:
-    let
+    recursiveAttrPaths = set: let
       flattenIfHasList = x:
         if (isList x) && (any isList x)
         then concatMap flattenIfHasList x
-        else [ x ];
+        else [x];
 
-      recurse = path: set:
-        let
-          g =
-            name: value:
-            if isAttrs value
-            then recurse (path ++ [ name ]) value
-            else path ++ [ name ];
-        in
+      recurse = path: set: let
+        g = name: value:
+          if isAttrs value
+          then recurse (path ++ [name]) value
+          else path ++ [name];
+      in
         mapAttrsToList g set;
     in
-    flattenIfHasList (recurse [ ] set);
+      flattenIfHasList (recurse [] set);
 
-  concatStrings = concatStringsSep "";
-  genAttrs = f: names: listToAttrs (map (n: { name = n; value = (f n); }) names);
+    concatStrings = concatStringsSep "";
+    genAttrs = f: names:
+      listToAttrs (map (n: {
+          name = n;
+          value = f n;
+        })
+        names);
 
-  range = first: last:
-    if first > last then
-      [ ]
-    else
-      genList (n: first + n) (last - first + 1);
-} // builtins
+    range = first: last:
+      if first > last
+      then []
+      else genList (n: first + n) (last - first + 1);
+  }
+  // builtins