diff --git a/index.html b/index.html
index 3458469..df23161 100644
--- a/index.html
+++ b/index.html
@@ -232,8 +232,6 @@
         <select id="themeDropdown" class="icon-dropdown">
           <option value="halloween">Classic Theme</option>
           <option value="dark">Dark Theme</option>
-          <option value="tritanopia">Tritanopia</option>
-          <option value="dark-tritanopia">Dark Tritanopia</option>
         </select>
 
         <label for="languageDropdown"></label>
@@ -254,16 +252,14 @@
     <div id="blocklyArea">
       <div id="blocklyDiv"></div>
     </div>
-    <div id="resultsWrapper" style="background-color: #fff">
-      <div
-        id="resultsArea"
-        style="background-color: #fff; border: 1px solid #ddd"
-      >
+    <div id="resultsWrapper">
+      <div id="resultsArea">
         Results will appear here...
+
+        <button id="copyButton" class="btn btn-light">
+          <i class="fas fa-copy"></i>
+        </button>
       </div>
-      <button id="copyButton" class="btn btn-light">
-        <i class="fas fa-copy"></i>
-      </button>
     </div>
 
     <script>
@@ -365,112 +361,6 @@
         blockStyles: baseBlockStyles
       });
 
-      const tritanopiaThemeConfig = {
-        base: Blockly.Themes.Classic,
-        blockStyles: {
-          'Text Processing': {
-            colourPrimary: '#0D3B66',
-            colourSecondary: '#0D3B66',
-            colourTertiary: '#0D3B66'
-          },
-          'File inputs': {
-            colourPrimary: '#00A896',
-            colourSecondary: '#00A896',
-            colourTertiary: '#00A896'
-          },
-          'Data Processing': {
-            colourPrimary: '#8D6B3D',
-            colourSecondary: '#8D6B3D',
-            colourTertiary: '#8D6B3D'
-          },
-          Logic: {
-            colourPrimary: '#6A994E',
-            colourSecondary: '#6A994E',
-            colourTertiary: '#6A994E'
-          },
-          Loops: {
-            colourPrimary: '#B5838D',
-            colourSecondary: '#B5838D',
-            colourTertiary: '#B5838D'
-          },
-          Math: {
-            colourPrimary: '#6D597A',
-            colourSecondary: '#6D597A',
-            colourTertiary: '#6D597A'
-          },
-          'File and Directory Operations': {
-            colourPrimary: '#F25C05',
-            colourSecondary: '#F25C05',
-            colourTertiary: '#F25C05'
-          },
-          'I/O Redirection': {
-            colourPrimary: '#D62828',
-            colourSecondary: '#D62828',
-            colourTertiary: '#D62828'
-          },
-          'Regular Expressions': {
-            colourPrimary: '#83C5BE',
-            colourSecondary: '#83C5BE',
-            colourTertiary: '#83C5BE'
-          },
-          'System Monitoring': {
-            colourPrimary: '#E9C46A',
-            colourSecondary: '#E9C46A',
-            colourTertiary: '#E9C46A'
-          },
-          'Network Operations': {
-            colourPrimary: '#4A4A4A',
-            colourSecondary: '#4A4A4A',
-            colourTertiary: '#4A4A4A'
-          },
-          'Text output': {
-            colourPrimary: '#2A9D8F',
-            colourSecondary: '#2A9D8F',
-            colourTertiary: '#2A9D8F'
-          },
-          Variables: {
-            colourPrimary: '#E63946',
-            colourSecondary: '#E63946',
-            colourTertiary: '#E63946'
-          },
-          'Other Commands': {
-            colourPrimary: '#7D7D7D',
-            colourSecondary: '#7D7D7D',
-            colourTertiary: '#7D7D7D'
-          }
-        }
-      };
-
-      // Create the Tritanopia theme using the base configuration
-      Blockly.Themes.Tritanopia = Blockly.Theme.defineTheme(
-        'tritanopia',
-        tritanopiaThemeConfig
-      );
-
-      // Create the DarkTritanopia theme using the base configuration and adding dark-specific properties
-      const darkTritanopiaConfig = {
-        ...tritanopiaThemeConfig,
-        componentStyles: {
-          workspaceBackgroundColour: '#1e1e1e',
-          toolboxBackgroundColour: 'blackBackground',
-          toolboxForegroundColour: '#fff',
-          flyoutBackgroundColour: '#252526',
-          flyoutForegroundColour: '#ccc',
-          flyoutOpacity: 1,
-          scrollbarColour: '#797979',
-          insertionMarkerColour: '#fff',
-          insertionMarkerOpacity: 0.3,
-          scrollbarOpacity: 0.4,
-          cursorColour: '#d0d0d0',
-          blackBackground: '#333'
-        }
-      };
-
-      Blockly.Themes.DarkTritanopia = Blockly.Theme.defineTheme(
-        'dark-tritanopia',
-        darkTritanopiaConfig
-      );
-
       const toolboxCategories = {
         kind: 'categoryToolbox',
         contents: [
@@ -714,257 +604,6 @@
         ]
       };
 
-      const toolboxCategories2 = {
-        kind: 'categoryToolbox',
-        contents: [
-          {
-            kind: 'category',
-            name: 'Text Processing',
-            colour: '#0D3B66',
-            contents: [
-              { kind: 'block', type: 'head' },
-              { kind: 'block', type: 'tail' },
-              { kind: 'block', type: 'wc' },
-              { kind: 'block', type: 'sort' },
-              { kind: 'block', type: 'uniq' },
-              { kind: 'block', type: 'findDuplicates' },
-              { kind: 'block', type: 'showUniqs' },
-              { kind: 'block', type: 'cut' },
-              { kind: 'block', type: 'sed' },
-              { kind: 'block', type: 'echo' }
-            ]
-          },
-          {
-            kind: 'sep'
-          },
-          {
-            kind: 'category',
-            name: 'File inputs',
-            colour: '#00A896',
-            contents: [
-              { kind: 'block', type: 'filename' },
-              { kind: 'block', type: 'filenamesCreate' },
-              { kind: 'block', type: 'fileEndStart' }
-            ]
-          },
-          {
-            kind: 'sep'
-          },
-          {
-            kind: 'category',
-            name: 'File and Directory Operations',
-            colour: '#F25C05',
-            contents: [
-              { kind: 'block', type: 'ls' },
-              { kind: 'block', type: 'find' },
-              { kind: 'block', type: 'cd' },
-              { kind: 'block', type: 'mkdir' },
-              { kind: 'block', type: 'gzip' },
-              { kind: 'block', type: 'cat' },
-              { kind: 'block', type: 'touch' },
-              { kind: 'block', type: 'chmod' },
-              { kind: 'block', type: 'chown' },
-              { kind: 'block', type: 'ln' },
-              { kind: 'block', type: 'mv' },
-              { kind: 'block', type: 'cp' },
-              { kind: 'block', type: 'rm' },
-              { kind: 'block', type: 'tar' },
-              { kind: 'block', type: 'unzip' }
-            ]
-          },
-          {
-            kind: 'sep'
-          },
-          {
-            kind: 'category',
-            name: 'I/O Redirection',
-            colour: '#D62828',
-            contents: [
-              { kind: 'block', type: 'save' },
-              { kind: 'block', type: 'append' },
-              { kind: 'block', type: 'tee' }
-            ]
-          },
-          {
-            kind: 'sep'
-          },
-          {
-            kind: 'category',
-            name: 'Regular Expressions',
-            colour: '#83C5BE',
-            contents: [
-              { kind: 'block', type: 'regOutput' },
-              { kind: 'block', type: 'regPattern' },
-              { kind: 'block', type: 'regOr' },
-              { kind: 'block', type: 'regNegation' },
-              { kind: 'block', type: 'regCapturingGroup' },
-              { kind: 'block', type: 'regStart' },
-              { kind: 'block', type: 'regEnd' },
-              { kind: 'block', type: 'regFor' },
-              { kind: 'block', type: 'regRange' },
-              { kind: 'block', type: 'regQuant' },
-              { kind: 'block', type: 'regAnyOne' },
-              { kind: 'block', type: 'regLookahead' },
-              { kind: 'block', type: 'regCommon' }
-            ]
-          },
-          {
-            kind: 'sep'
-          },
-          {
-            kind: 'category',
-            name: 'System Monitoring',
-            colour: '#E9C46A',
-            contents: [
-              { kind: 'block', type: 'ps' },
-              { kind: 'block', type: 'df' },
-              { kind: 'block', type: 'du' },
-              { kind: 'block', type: 'uptime' },
-              { kind: 'block', type: 'who' },
-              { kind: 'block', type: 'hostname' },
-              { kind: 'block', type: 'date' }
-            ]
-          },
-          {
-            kind: 'sep'
-          },
-          {
-            kind: 'category',
-            name: 'Network Operations',
-            colour: '#4A4A4A',
-            contents: [
-              { kind: 'block', type: 'scp' },
-              { kind: 'block', type: 'ssh' },
-              { kind: 'block', type: 'curl' },
-              { kind: 'block', type: 'ping' },
-              { kind: 'block', type: 'journalctl' }
-            ]
-          },
-
-          {
-            kind: 'sep'
-          },
-          {
-            kind: 'category',
-            name: 'Data Processing',
-            colour: '#8D6B3D',
-            contents: [
-              { kind: 'block', type: 'beginEnd' },
-              { kind: 'block', type: 'awk' },
-              { kind: 'block', type: 'condOutput' },
-              { kind: 'block', type: 'column' },
-              { kind: 'block', type: 'grep' },
-              { kind: 'block', type: 'NR' },
-              { kind: 'block', type: 'NF' },
-              { kind: 'block', type: 'xargs' },
-              {
-                kind: 'category',
-                name: 'Text output',
-                colour: '#2A9D8F',
-                contents: [
-                  { kind: 'block', type: 'text' },
-                  {
-                    kind: 'block',
-                    type: 'text_print',
-                    inputs: {
-                      TEXT: {
-                        shadow: {
-                          type: 'text',
-                          fields: {
-                            TEXT: 'abc'
-                          }
-                        }
-                      }
-                    }
-                  },
-                  { kind: 'block', type: 'multiplePrint' }
-                ]
-              },
-              {
-                kind: 'category',
-                name: 'Logic',
-                colour: '#6A994E',
-                contents: [
-                  { kind: 'block', type: 'controls_if' },
-                  { kind: 'block', type: 'logic_compare' },
-                  { kind: 'block', type: 'logic_operation' },
-                  { kind: 'block', type: 'logic_negate' }
-                ]
-              },
-              {
-                kind: 'category',
-                name: 'Loops',
-                colour: '#B5838D',
-                contents: [
-                  { kind: 'block', type: 'controls_whileUntil' },
-                  { kind: 'block', type: 'controls_forEach' }
-                ]
-              },
-              {
-                kind: 'category',
-                name: 'Math',
-                colour: '#6D597A',
-                contents: [
-                  { kind: 'block', type: 'math_number' },
-                  {
-                    kind: 'block',
-                    type: 'math_arithmetic',
-                    inputs: {
-                      A: {
-                        shadow: {
-                          type: 'math_number',
-                          fields: {
-                            NUM: 1
-                          }
-                        }
-                      },
-                      B: {
-                        shadow: {
-                          type: 'math_number',
-                          fields: {
-                            NUM: 1
-                          }
-                        }
-                      }
-                    }
-                  }
-                ]
-              }
-            ]
-          },
-          {
-            kind: 'sep'
-          },
-          {
-            kind: 'category',
-            name: 'Variables',
-            colour: '#E63946',
-            custom: 'VARIABLE'
-          },
-          {
-            kind: 'sep'
-          },
-          {
-            kind: 'category',
-            name: 'Other Commands',
-            colour: '#7D7D7D',
-            contents: [
-              { kind: 'block', type: 'kill' },
-              { kind: 'block', type: 'echo' },
-              { kind: 'block', type: 'sleep' }
-            ]
-          },
-          {
-            kind: 'sep'
-          },
-          {
-            kind: 'search',
-            name: 'Search',
-            contents: []
-          }
-        ]
-      };
-
       /*
       const toolbox = { ...toolboxCategories };
       toolbox.contents.push({
@@ -1166,22 +805,6 @@
           });
       });
 
-      /*
-      const savedState = localStorage.getItem('blocklyWorkspace');
-      if (savedState) {
-          const state = JSON.parse(savedState);
-          workspace.clear(); // Clear the workspace before loading the saved state
-          Blockly.serialization.workspaces.load(state, workspace);
-      }
-
-      // Save the state when the window is unloaded
-      window.addEventListener('unload', () => {
-          const state = Blockly.serialization.workspaces.save(workspace);
-          workspace.clear();
-          localStorage.setItem('blocklyWorkspace', JSON.stringify(state));
-      });
-      */
-
       const backpackOptions = {
         allowEmptyBackpackOpen: false,
         useFilledBackpackImage: true,
@@ -1227,47 +850,6 @@
       Blockly.ContextMenuRegistry.registry.getItem(
         'blockPasteFromStorage'
       ).weight = 3;
-
-      document
-        .getElementById('themeDropdown')
-        .addEventListener('change', function (event) {
-          var selectedTheme = this.value;
-          var navbarContainer = document.getElementById('navbar');
-          var resultsWrapperContainer =
-            document.getElementById('resultsWrapper');
-          var resultsAreaContainer = document.getElementById('resultsArea');
-          var copyButton = document.getElementById('copyButton');
-          if (selectedTheme === 'halloween' || selectedTheme === 'tritanopia') {
-            if (selectedTheme === 'halloween') {
-              workspace.updateToolbox(toolboxCategories);
-              workspace.setTheme(Blockly.Themes.Halloween);
-            } else {
-              workspace.updateToolbox(toolboxCategories2);
-              workspace.setTheme(Blockly.Themes.Tritanopia);
-            }
-            navbarContainer.style.backgroundColor = '#f5f5f5';
-            resultsWrapperContainer.style.backgroundColor = '#fff';
-            resultsAreaContainer.style.backgroundColor = '#fff';
-            resultsAreaContainer.style.color = '#000';
-          } else if (
-            selectedTheme === 'dark' ||
-            selectedTheme === 'dark-tritanopia'
-          ) {
-            if (selectedTheme === 'dark') {
-              workspace.updateToolbox(toolboxCategories);
-              workspace.setTheme(Blockly.Themes.Dark);
-            } else {
-              workspace.updateToolbox(toolboxCategories2);
-              workspace.setTheme(Blockly.Themes.DarkTritanopia);
-            }
-            navbarContainer.style.backgroundColor = '#252526';
-            resultsWrapperContainer.style.backgroundColor = '#252526';
-            resultsAreaContainer.style.backgroundColor = '#252526';
-            resultsAreaContainer.style.color = '#fff';
-            resultsAreaContainer.style.border = '1px solid #ddd';
-            copyButton.style.backgroundColor = '#fff';
-          }
-        });
     </script>
     <script src="main.js"></script>
   </body>
diff --git a/public/main.js b/public/main.js
index 7081e1d..8c38489 100644
--- a/public/main.js
+++ b/public/main.js
@@ -22,14 +22,6 @@ document
       document.getElementById('light-theme').disabled = true;
       document.getElementById('dark-theme').disabled = false;
       workspace.setTheme(Blockly.Themes.Dark);
-    } else if (selectedTheme === 'tritanopia') {
-      workspace.setTheme(Blockly.Themes.Tritanopia);
-      document.getElementById('light-theme').disabled = false;
-      document.getElementById('dark-theme').disabled = true;
-    } else if (selectedTheme === 'dark-tritanopia') {
-      workspace.setTheme(Blockly.Themes.DarkTritanopia);
-      document.getElementById('light-theme').disabled = true;
-      document.getElementById('dark-theme').disabled = false;
     }
   });
 
diff --git a/public/styledark.css b/public/styledark.css
index 89f1134..8514688 100644
--- a/public/styledark.css
+++ b/public/styledark.css
@@ -20,6 +20,10 @@ body {
   color: rgb(208, 208, 208); /* Light text color for contrast */
 }
 
+#navbar {
+  background-color: #252526;
+}
+
 #blocklyArea {
   height: 85%;
 }
@@ -43,18 +47,34 @@ body {
   box-sizing: border-box;
   padding: 10px;
   border-top: 1px solid #555; /* Darker border for results area */
-  background-color: #2e2e2e; /* Dark background for results wrapper */
 }
 
 #resultsArea {
-  position: relative;
+  position: relative; /* To allow absolute positioning for button */
   margin-top: 8px;
-  padding: 9px;
-  background: #3a3a3a; /* Darker background for results area */
-  height: 25px;
+  padding: 9px 40px 9px 9px; /* Adjust padding to provide space for the button */
+  background: #252526; /* Dark background for results area */
   overflow-y: hidden;
   border-radius: 8px;
+  border: 1px solid #555; /* Darker border */
   color: #fff; /* White text for results area */
+  display: flex; /* Flexbox layout */
+  align-items: center; /* Vertically center content */
+  justify-content: space-between; /* Space between text and button */
+}
+
+#copyButton {
+  position: absolute; /* Positioned relative to #resultsArea */
+  right: 10px; /* 10px from the right edge of #resultsArea */
+  top: 50%; /* Center vertically */
+  transform: translateY(-50%); /* Adjust for vertical centering */
+  background-color: #252526 !important; /* Dark grey background color */
+  border: none !important; /* Remove border */
+  outline: none !important; /* Remove outline */
+  box-shadow: none !important; /* Remove shadow */
+  border-radius: 4px; /* Slight rounding for aesthetics */
+  color: #fff; /* White color for the icon */
+  cursor: pointer;
 }
 
 .blockly-minimap {
@@ -78,18 +98,6 @@ body {
   fill: #252526; /* Applies to SVG elements */
 }
 
-#copyButton {
-  position: absolute;
-  right: 10px;
-  bottom: 21px;
-  background-color: rgb(37, 37, 38) !important; /* Μαύρο-γκρι χρώμα */
-  border: none !important; /* Αφαίρεση περιγράμματος */
-  outline: none !important; /* Αφαίρεση του outline (αν υπάρχει) */
-  box-shadow: none !important; /* Αφαίρεση σκιάς (αν υπάρχει) */
-  border-radius: 0%; /* Καμία στρογγυλοποίηση στις γωνίες */
-  color: #fff; /* Λευκό χρώμα για το εικονίδιο */
-}
-
 .icon-button:hover {
   background-color: #444; /* Darker hover state color */
 }
@@ -154,6 +162,7 @@ body {
   align-items: center;
   justify-content: flex-end;
   padding: 4px;
+  background-color: rgb(37, 37, 38);
 }
 
 button {
diff --git a/public/styles.css b/public/styles.css
index 8f745a5..72daee8 100644
--- a/public/styles.css
+++ b/public/styles.css
@@ -43,13 +43,31 @@ body {
 }
 
 #resultsArea {
-  position: relative;
+  position: relative; /* To position the button inside */
   margin-top: 8px;
-  padding: 9px;
+  padding: 9px 40px 9px 9px; /* Adjust padding to provide space for button */
   background: #fff;
-  height: 25px;
+  height: auto; /* Adjust height to fit content */
   overflow-y: hidden;
-  border-radius: 3px;
+  border-radius: 8px;
+  border: 1px solid #d1d1d1;
+  display: flex; /* Flexbox layout */
+  align-items: center; /* Vertically center content */
+  justify-content: space-between; /* Space between text and button */
+}
+
+#copyButton {
+  position: absolute; /* Positioned relative to #resultsArea */
+  right: 10px; /* 10px from the right edge of #resultsArea */
+  top: 50%; /* Center vertically */
+  transform: translateY(-50%); /* Adjust for vertical centering */
+  background-color: rgb(255, 255, 255) !important;
+  border: none !important;
+  outline: none !important;
+  box-shadow: none !important;
+  border-radius: 4px; /* Slight rounding for aesthetics */
+  color: #000000;
+  cursor: pointer;
 }
 
 .blockly-minimap {
@@ -71,18 +89,6 @@ body {
   fill-opacity: 0.1;
 }
 
-#copyButton {
-  position: absolute;
-  right: 10px;
-  bottom: 21px;
-  background-color: rgb(255, 255, 255) !important;
-  border: none !important;
-  outline: none !important;
-  box-shadow: none !important;
-  border-radius: 0%;
-  color: #000000;
-}
-
 .icon-button:hover {
   background-color: #e7e7e7; /* Hover state color */
 }
@@ -125,7 +131,6 @@ body {
   padding: 4px;
   height: 100%;
   border-radius: 5px; /* Rounded corners */
-  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
 }
 
 #loginButton,
diff --git a/server.js b/server.js
index 0b4bea6..ea4d325 100644
--- a/server.js
+++ b/server.js
@@ -78,37 +78,6 @@ app.use((req, res, next) => {
   next();
 });
 
-function checkRememberMe(req, res, next) {
-  if (req.isAuthenticated()) {
-    return next();
-  }
-  const token = req.cookies.remember_me;
-  if (token) {
-    jwt.verify(token, process.env.SECRET_KEY, (err, decoded) => {
-      if (err) {
-        return next();
-      }
-      db.get(
-        'SELECT * FROM users WHERE id = ?',
-        [decoded.user],
-        (err, user) => {
-          if (err || !user) {
-            return next();
-          }
-          req.logIn(user, (err) => {
-            if (err) {
-              return next();
-            }
-            return res.redirect('/blockly_unix');
-          });
-        }
-      );
-    });
-  } else {
-    return next();
-  }
-}
-
 // Middleware to add auth token
 function addAuthToken(req, res, next) {
   if (req.isAuthenticated()) {
diff --git a/views/login.ejs b/views/login.ejs
index a8f4efd..ec105ff 100644
--- a/views/login.ejs
+++ b/views/login.ejs
@@ -46,7 +46,7 @@
                             <a class="nav-link active" aria-current="page" href="/">Home</a>
                         </li>
                         <li class="nav-item">
-                            <a class="nav-link active" aria-current="page" href="#">Tutorials</a>
+                            <a class="nav-link active" aria-current="page" href="/tutorials">Tutorials</a>
                         </li>
                     </ul>
                 </div>
@@ -77,10 +77,6 @@
                     </div>
                     <input id="password" name="password" placeholder="Password" type="password" required class="validate" autocomplete="on">
                 </div>
-                <div class="remember-me" style="padding-left: 7%;">
-                    <input type="checkbox">
-                    <span class="loginRegisterSpan" style="color: #000">Remember Me</span>
-                </div>
                 <input type="submit" value="Log In" />
             </form>
             <form action="/blockly_unix" method="POST">
diff --git a/views/register.ejs b/views/register.ejs
index 8af9942..0ba5b19 100644
--- a/views/register.ejs
+++ b/views/register.ejs
@@ -48,7 +48,7 @@
                         <a class="nav-link active" aria-current="page" href="/">Home</a>
                     </li>
                     <li class="nav-item">
-                        <a class="nav-link active" aria-current="page" href="#">Tutorials</a>
+                        <a class="nav-link active" aria-current="page" href="/tutorials">Tutorials</a>
                     </li>
                 </ul>
             </div>