diff --git a/README.md b/README.md
index 28c89d5..d7b05bf 100644
--- a/README.md
+++ b/README.md
@@ -8,9 +8,9 @@ Currently very much a work in progress, but it's baically functional.
 
 Deploy the `/tkr` directory to a web server that supports php. It will work either as the root of a (sub)domain (e.g. tky.mydomain.com) or if served from a subdirectory (e.g. mydomain.com/tkr).
 
-If you serve it from a subdirectory, set the value of `$basePath` in `/app/Config.php` to the subdirectory name, excluding the trailing slash (e.g. `/tkr`)
+If you serve it from a subdirectory, set the value of `$basePath` in `config/init.php` to the subdirectory name, excluding the trailing slash (e.g. `/tkr`)
 
-It provides an rss feed at `/rss` relative to where it's being served (e.g. `/tkr/rss` if served from `/tkr/`). Each rss entry links to an individual post (which I call "ticks").
+It provides an rss feed at `/rss` and an atom feed at `/atom` relative to where it's being served (e.g. `/tkr/rss` if served from `/tkr/`). Each rss entry links to an individual post (which I call "ticks").
 
 ## Serving
 
diff --git a/public/css/tkr.css b/public/css/tkr.css
index 23113ed..d1e5631 100644
--- a/public/css/tkr.css
+++ b/public/css/tkr.css
@@ -169,13 +169,6 @@ label {
     gap: 0.5em;
 }
 
-.upload-container {
-    background: white;
-    border-radius: 8px;
-    padding: 20px;
-    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
-}
-
 .fieldset-items {
     margin-bottom: 14px;
     display: grid;
@@ -293,6 +286,12 @@ label {
         - Once the width exceeds that (e.g. desktops), it will convert to horizontal alignment
 */
 @media (min-width: 600px) {
+    label {
+        text-align: right;
+        padding-top: 10px; /* Match input padding */
+        margin-bottom: 0;
+    }
+            
     .home-container {
         grid-template-columns: 1fr 2fr;
         grid-gap: 2em;
@@ -306,12 +305,6 @@ label {
         align-items: start;
     }
            
-    label {
-        text-align: right;
-        padding-top: 10px; /* Match input padding */
-        margin-bottom: 0;
-    }
-            
     .file-info {
         grid-column: 2; /* Align with input column */
     }
diff --git a/public/index.php b/public/index.php
index 8a54d00..7eeb907 100644
--- a/public/index.php
+++ b/public/index.php
@@ -42,7 +42,7 @@ loadClasses();
 
 // Everything's loaded. Now we can start ticking.
 Util::confirm_setup();
-$config = Config::load();
+$config = ConfigModel::load();
 Session::start();
 Session::generateCsrfToken();
 
diff --git a/src/Controller/AdminController/AdminController.php b/src/Controller/AdminController/AdminController.php
index 9db62af..ad4f78b 100644
--- a/src/Controller/AdminController/AdminController.php
+++ b/src/Controller/AdminController/AdminController.php
@@ -3,8 +3,8 @@ class AdminController extends Controller {
     // GET handler
     // render the admin page
     public function index(){
-        $config = Config::load();
-        $user = User::load();
+        $config = ConfigModel::load();
+        $user = UserModel::load();
 
         $vars = [
             'user' => $user,
@@ -17,22 +17,22 @@ class AdminController extends Controller {
     // POST handler
     // save updated settings
     public function handleSave(){
-        $config = Config::load();
+        $config = ConfigModel::load();
 
-        if (!Config::isFirstSetup()) {
+        if (!ConfigModel::isFirstSetup()) {
             if (!Session::isLoggedIn()){
                 header('Location: ' . $config->basePath . '/login');
                 exit;
             }
         }
 
-        $user = User::load();
+        $user = UserModel::load();
 
         // handle form submission
         if ($_SERVER['REQUEST_METHOD'] === 'POST') {
             $errors = [];
         
-            // User profile
+            // UserModel profile
             $username        = trim($_POST['username'] ?? '');
             $displayName     = trim($_POST['display_name'] ?? '');
             $about           = trim($_POST['about'] ?? '');
@@ -115,11 +115,15 @@ class AdminController extends Controller {
             }
         }
 
-        if (Config::isFirstSetup()){
-            Config::completeSetup();
+        if (ConfigModel::isFirstSetup()){
+            ConfigModel::completeSetup();
         }
 
         header('Location: ' . $config->basePath . '/admin');
         exit;
     }
-}
\ No newline at end of file
+
+    private function getCustomCss(){
+
+    }
+}
diff --git a/src/Controller/AuthController/AuthController.php b/src/Controller/AuthController/AuthController.php
index 0bbbfde..445676a 100644
--- a/src/Controller/AuthController/AuthController.php
+++ b/src/Controller/AuthController/AuthController.php
@@ -1,7 +1,7 @@
 <?php
 class AuthController extends Controller {
     function showLogin(?string $error = null){
-        $config = Config::load();
+        $config = ConfigModel::load();
         $csrf_token = Session::getCsrfToken();
 
         $vars = [
@@ -14,7 +14,7 @@ class AuthController extends Controller {
     }
 
     function handleLogin(){
-        $config = Config::load();
+        $config = ConfigModel::load();
 
         $error = '';
 
@@ -48,7 +48,7 @@ class AuthController extends Controller {
 
     function handleLogout(){
         Session::end();
-        $config = Config::load();
+        $config = ConfigModel::load();
         header('Location: ' . $config->basePath);
         exit;
     }
diff --git a/src/Controller/FeedController/FeedController.php b/src/Controller/FeedController/FeedController.php
index eede6ab..8014ac3 100644
--- a/src/Controller/FeedController/FeedController.php
+++ b/src/Controller/FeedController/FeedController.php
@@ -1,12 +1,12 @@
 <?php
 class FeedController extends Controller {
-    private Config $config;
+    private ConfigModel $config;
     private array $ticks;
     private array $vars;
 
     public function __construct(){
-        $this->config = Config::load();
-        $this->ticks = iterator_to_array(Tick::streamTicks($this->config->itemsPerPage));
+        $this->config = ConfigModel::load();
+        $this->ticks = iterator_to_array(TickModel::streamTicks($this->config->itemsPerPage));
         $this->vars = [
             'config' => $this->config,
             'ticks' => $this->ticks,
diff --git a/src/Controller/HomeController/HomeController.php b/src/Controller/HomeController/HomeController.php
index d671bab..628bc44 100644
--- a/src/Controller/HomeController/HomeController.php
+++ b/src/Controller/HomeController/HomeController.php
@@ -4,12 +4,12 @@ class HomeController extends Controller {
     // renders the homepage view.
     public function index(){
         $page = isset($_GET['page']) ? max(1, (int)$_GET['page']) : 1;
-        $config = Config::load();
-        $user = User::load();
+        $config = ConfigModel::load();
+        $user = UserModel::load();
 
         $limit = $config->itemsPerPage;
         $offset = ($page - 1) * $limit;
-        $ticks = iterator_to_array(Tick::streamTicks($limit, $offset));
+        $ticks = iterator_to_array(TickModel::streamTicks($limit, $offset));
 
         $view = new HomeView();
         $tickList = $view->renderTicksSection($config->siteDescription, $ticks, $page, $limit);
@@ -34,11 +34,13 @@ class HomeController extends Controller {
             }
 
             // save the tick
-            Tick::save($_POST['tick']);
+            if (trim($_POST['tick'])){
+                TickModel::save($_POST['tick']);
+            }
         }
 
         // get the config
-        $config = Config::load();
+        $config = ConfigModel::load();
 
         // redirect to the index (will show the latest tick if one was sent)
         header('Location: ' . $config->basePath);
diff --git a/src/Controller/MoodController/MoodController.php b/src/Controller/MoodController/MoodController.php
index 6352b31..b48b56c 100644
--- a/src/Controller/MoodController/MoodController.php
+++ b/src/Controller/MoodController/MoodController.php
@@ -1,8 +1,8 @@
 <?php
     class MoodController extends Controller {
         public function index(){
-            $config = Config::load();
-            $user = User::load();
+            $config = ConfigModel::load();
+            $user = UserModel::load();
             $view = new MoodView();
 
             $moodPicker = $view->render_mood_picker(self::get_emojis_with_labels(), $user->mood);
@@ -23,8 +23,8 @@
                 }
 
                 // Get the data we need
-                $config = Config::load();
-                $user = User::load();
+                $config = ConfigModel::load();
+                $user = UserModel::load();
                 $mood = $_POST['mood'];
 
                 // set the mood
diff --git a/src/Controller/TickController/TickController.php b/src/Controller/TickController/TickController.php
index ffd165f..22ddc61 100644
--- a/src/Controller/TickController/TickController.php
+++ b/src/Controller/TickController/TickController.php
@@ -3,7 +3,7 @@
 class TickController extends Controller{
     // every tick is identified by its timestamp
     public function index(string $year, string $month, string $day, string $hour, string $minute, string $second){
-        $model = new Tick();
+        $model = new TickModel();
         $tick = $model->get($year, $month, $day, $hour, $minute, $second);       
         $this->render('tick.php', $tick);
     }
diff --git a/src/Framework/Session/Session.php b/src/Framework/Session/Session.php
index bc02995..3a975b3 100644
--- a/src/Framework/Session/Session.php
+++ b/src/Framework/Session/Session.php
@@ -25,7 +25,7 @@ class Session {
     }
 
     public static function isLoggedIn(): bool {
-        //echo "User ID set: ". isset($_SESSION['user_id']). "<br/>";
+        //echo "UserModel ID set: ". isset($_SESSION['user_id']). "<br/>";
         //exit;
         return isset($_SESSION['user_id']);
     }
diff --git a/src/Framework/Util/Util.php b/src/Framework/Util/Util.php
index 8e1d9bf..d43997c 100644
--- a/src/Framework/Util/Util.php
+++ b/src/Framework/Util/Util.php
@@ -89,7 +89,7 @@ class Util {
         // See if there's any data in the tables
         $user_count = (int) $db->query("SELECT COUNT(*) FROM user")->fetchColumn();
         $settings_count = (int) $db->query("SELECT COUNT(*) FROM settings")->fetchColumn();
-        $config = Config::load();
+        $config = ConfigModel::load();
 
         // If either table has no records and we aren't on /admin
         if ($user_count === 0 || $settings_count === 0){
diff --git a/src/Model/Config/Config.php b/src/Model/ConfigModel/Config.php
similarity index 96%
rename from src/Model/Config/Config.php
rename to src/Model/ConfigModel/Config.php
index 57cf594..d7c135d 100644
--- a/src/Model/Config/Config.php
+++ b/src/Model/ConfigModel/Config.php
@@ -1,5 +1,5 @@
 <?php
-class Config {
+class ConfigModel {
     // properties and default values
     public string $siteTitle = 'My tkr';
     public string $siteDescription = '';
@@ -41,7 +41,7 @@ class Config {
     public function save(): self {
         $db = Util::get_db();
 
-        if (!Config::isFirstSetup()){
+        if (!ConfigModel::isFirstSetup()){
             $stmt = $db->prepare("UPDATE settings SET site_title=?, site_description=?, base_url=?, base_path=?, items_per_page=? WHERE id=1");
         } else {
             $stmt = $db->prepare("INSERT INTO settings (id, site_title, site_description, base_url, base_path, items_per_page) VALUES (1, ?, ?, ?, ?, ?)");
diff --git a/src/Model/Tick/Tick.php b/src/Model/TickModel/TickModel.php
similarity index 98%
rename from src/Model/Tick/Tick.php
rename to src/Model/TickModel/TickModel.php
index dc81c0f..569611c 100644
--- a/src/Model/Tick/Tick.php
+++ b/src/Model/TickModel/TickModel.php
@@ -1,5 +1,5 @@
 <?php
-class Tick {
+class TickModel {
     // Everything in this class just reads from and writes to the filesystem
     // It doesn't maintain state, so everything's just a static function
     public static function streamTicks(int $limit, int $offset = 0): Generator {
@@ -95,7 +95,7 @@ class Tick {
                 return [
                     'tickTime' => $tickTime,
                     'tick' => $tick,
-                    'config' => Config::load(),
+                    'config' => ConfigModel::load(),
                 ];
             }
         }
diff --git a/src/Model/User/User.php b/src/Model/UserModel/UserModel.php
similarity index 96%
rename from src/Model/User/User.php
rename to src/Model/UserModel/UserModel.php
index e351ee0..480312a 100644
--- a/src/Model/User/User.php
+++ b/src/Model/UserModel/UserModel.php
@@ -1,5 +1,5 @@
 <?php
-class User {
+class UserModel {
     // properties
     public string $username = '';
     public string $displayName = '';
@@ -30,7 +30,7 @@ class User {
    public function save(): self {
       $db = Util::get_db();
 
-      if (!Config::isFirstSetup()){
+      if (!ConfigModel::isFirstSetup()){
         $stmt = $db->prepare("UPDATE user SET username=?, display_name=?, about=?, website=?, mood=? WHERE id=1");
       } else {
         $stmt = $db->prepare("INSERT INTO user (id, username, display_name, about, website, mood) VALUES (1, ?, ?, ?, ?, ?)");
diff --git a/templates/admin.php b/templates/admin.php
index 3983b5e..d015f42 100644
--- a/templates/admin.php
+++ b/templates/admin.php
@@ -1,5 +1,5 @@
-<?php /** @var Config $config */ ?>
-<?php /** @var User $user */ ?>
+<?php /** @var ConfigModel $config */ ?>
+<?php /** @var UserModel $user */ ?>
 <!DOCTYPE html>
 <html>
     <head>
@@ -13,14 +13,14 @@
             <form method="post">
                 <input type="hidden" name="csrf_token" value="<?= htmlspecialchars($_SESSION['csrf_token']) ?>">
                 <fieldset>
-                    <legend>User settings</legend>
+                    <legend>UserModel settings</legend>
                     <div class="fieldset-items">
-                        <label>Username <span class=required></span></label>
+                        <label>Username <span class=required>*</span></label>
                         <input type="text"
                             name="username"
                             value="<?= $user->username ?>"
                             required>
-                        <label>Display name <span class=required></span></label>
+                        <label>Display name <span class=required>*</span></label>
                             <input type="text" 
                                 name="display_name"
                                 value="<?= $user->displayName ?>"
@@ -38,41 +38,70 @@
                 <fieldset>
                     <legend>Site settings</legend>
                     <div class="fieldset-items">
-                        <label>Title <span class=required></span></label>
+                        <label>Title <span class=required>*</span></label>
                         <input type="text"
                             name="site_title"
                             value="<?= $config->siteTitle ?>" 
                             required>
-                        <label>Description <span class=required></span></label>
+                        <label>Description <span class=required>*</span></label>
                         <input type="text"
                             name="site_description"
                             value="<?= $config->siteDescription ?>">
-                        <label>Base URL </label>
+                        <label>Base URL <span class=required>*</span></label>
                         <input type="text"
                             name="base_url"
                             value="<?= $config->baseUrl ?>"
                             required>
-                        <label>Base path <span class=required></span></label> 
+                        <label>Base path <span class=required>*</span></label> 
                         <input type="text"
                             name="base_path"
                             value="<?= $config->basePath ?>"
                             required>
-                        <label>Items per page (max 50) <span class=required></span></label>
+                        <label>Items per page (max 50) <span class=required>*</span></label>
                         <input type="number"
                             name="items_per_page"
                             value="<?= $config->itemsPerPage ?>" min="1" max="50"
                             required>
                     </div>
+                    <div class="fieldset-items">
+                        <label for="setCssFile">Set CSS File</label>
+                        <select id="setCssFile" name="css_file">
+                            <option value="">Default</option>
+                        </select>
+                    </div>
                 </fieldset>
                 <fieldset>
                     <legend>Change password</legend>
                     <div class="fieldset-items">
-                        <label>New password: </label>
+                        <label>New password</label>
                         <input type="password" name="password">
-                        <label>Confirm new password: </label>
+                        <label>Confirm new password</label>
                         <input type="password" name="confirm_password">
                     </div>
                 </fieldset>
+                <fieldset>
+                    <legend>CSS Upload</legend>
+                    <div class="fieldset-items">
+                        <form action="/upload-css" method="post" enctype="multipart/form-data">
+                            <label for="uploadCssFile">Select File to Upload</label>
+                            <input type="file" 
+                                   id="uploadCssFile" 
+                                   name="uploadCssFile" 
+                                   accept=".css">
+                            <div class="file-info">
+                                <strong>File Requirements:</strong><br>
+                                • Must be a valid CSS file (.css extension)<br>
+                                • Maximum size: 2MB<br>
+                                • Will be scanned for malicious content
+                            </div>
+                            <label for="description">Description (optional)</label>
+                            <textarea id="description" 
+                                      name="description" 
+                                      placeholder="Describe this CSS file..."></textarea>
+                            <button type="submit" class="upload-btn">Upload CSS File</button>
+                        </form>
+                    </div>
+                </fieldset>
                 <button type="submit" class="submit-btn">Save Settings</button>
             </form>
         </div>
diff --git a/templates/feed/atom.php b/templates/feed/atom.php
index 0f5815a..892af8b 100644
--- a/templates/feed/atom.php
+++ b/templates/feed/atom.php
@@ -1,4 +1,4 @@
-<?php /** @var Config $config */ ?>
+<?php /** @var ConfigModel $config */ ?>
 <?php /** @var array $ticks */ ?>
 <?php
 $siteTitle = htmlspecialchars($config->siteTitle);
diff --git a/templates/feed/rss.php b/templates/feed/rss.php
index 81ee9db..4822a36 100644
--- a/templates/feed/rss.php
+++ b/templates/feed/rss.php
@@ -1,4 +1,4 @@
-<?php /** @var Config $config */ ?>
+<?php /** @var ConfigModel $config */ ?>
 <?php /** @var array $ticks */ ?>
 <?php
 // Need to have a little php here because the starting xml tag
diff --git a/templates/home.php b/templates/home.php
index bbe0baa..2b08e8b 100644
--- a/templates/home.php
+++ b/templates/home.php
@@ -1,6 +1,6 @@
 <?php /** @var bool $isLoggedIn */ ?>
-<?php /** @var Config $config */ ?>
-<?php /** @var User $user */ ?>
+<?php /** @var ConfigModel $config */ ?>
+<?php /** @var UserModel $user */ ?>
 <?php /** @var string $tickList */ ?>
 <!DOCTYPE html>
 <html>
diff --git a/templates/login.php b/templates/login.php
index 399a4d9..1d46ab8 100644
--- a/templates/login.php
+++ b/templates/login.php
@@ -1,4 +1,4 @@
-<?php /** @var Config $config */ ?>
+<?php /** @var ConfigModel $config */ ?>
 <?php /** @var string $csrf_token */ ?>
 <?php /** @var string $error */ ?>
 <!DOCTYPE html>
diff --git a/templates/mood.php b/templates/mood.php
index ca70ede..bc9667c 100644
--- a/templates/mood.php
+++ b/templates/mood.php
@@ -1,4 +1,4 @@
-<?php /** @var Config $config */ ?>
+<?php /** @var ConfigModel $config */ ?>
 <?php /** @var string $moodPicker */ ?>
 <!DOCTYPE html>
 <html>
diff --git a/templates/partials/head.php b/templates/partials/head.php
index 97e74d9..ad5f074 100644
--- a/templates/partials/head.php
+++ b/templates/partials/head.php
@@ -1,4 +1,4 @@
-<?php /** @var Config $config */ ?>
+<?php /** @var ConfigModel $config */ ?>
         <title><?= $config->siteTitle ?></title>
         <meta charset="UTF-8">
         <meta name="viewport" content="width=device-width, initial-scale=1.0">
diff --git a/templates/partials/navbar.php b/templates/partials/navbar.php
index cc7d09c..469047d 100644
--- a/templates/partials/navbar.php
+++ b/templates/partials/navbar.php
@@ -1,4 +1,4 @@
-<?php /** @var Config $config */ ?>
+<?php /** @var ConfigModel $config */ ?>
         <div class="navbar">
             <a href="<?= $config->basePath ?>">home</a>
             <a href="<?= $config->basePath ?>feed/rss">rss</a>
diff --git a/templates/setup.php b/templates/setup.php
index 7cfb8d1..9249cf3 100644
--- a/templates/setup.php
+++ b/templates/setup.php
@@ -53,7 +53,7 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
 
 <h1>Let’s Set Up Your tkr</h1>
 <form method="post">
-    <h3>User settings</h3>
+    <h3>UserModel settings</h3>
     <label>Username: <input type="text" name="username" required></label><br>
     <label>Display name: <input type="text" name="display_name" required></label><br>
     <label>Password: <input type="password" name="password" required></label><br>
diff --git a/templates/tick.php b/templates/tick.php
index d530ad4..62c2784 100644
--- a/templates/tick.php
+++ b/templates/tick.php
@@ -1,4 +1,4 @@
-<?php /** @var Config $config */ ?>
+<?php /** @var ConfigModel $config */ ?>
 <?php /** @var Date $tickTime */ ?>
 <?php /** @var string $tick */ ?>
 <!DOCTYPE html>