diff --git a/static/style.css b/static/style.css
index 9f67320..6ded92b 100644
--- a/static/style.css
+++ b/static/style.css
@@ -24,7 +24,8 @@ body {
 
 .lesson-content h1, .lesson-content h2, .lesson-content h3 {
     color: #2c3e50;
-    margin-top: 20px;
+    margin-top: 30px;
+    margin-bottom: 20px;
 }
 
 .lesson-content h1 {
@@ -33,8 +34,22 @@ body {
 }
 
 .lesson-content p {
-    line-height: 1.6;
-    margin-bottom: 15px;
+    line-height: 1.8;
+    margin-bottom: 20px;
+}
+
+/* Add spacing after other block elements */
+.lesson-content ul, .lesson-content ol {
+    margin-top: 15px;
+    margin-bottom: 20px;
+}
+
+.lesson-content blockquote {
+    margin-top: 20px;
+    margin-bottom: 20px;
+    padding: 15px 20px;
+    border-left: 4px solid #3498db;
+    background-color: #f8f9fa;
 }
 
 .lesson-content code {
@@ -160,10 +175,46 @@ body {
     padding: 10px;
 }
 
-.lesson-content img {
+.lesson-content img, .home-content img {
     max-width: 100%;
     height: auto;
-    margin: 10px 0;
+    margin: 15px 0;
+    display: block;
+    cursor: pointer;
+    transition: transform 0.3s ease;
+    object-fit: contain; /* Ensures the entire image is visible within its bounds */
+}
+
+.lesson-content img.zoomable-img {
+    max-width: 100%;
+    height: auto;
+    margin: 15px 0;
+    display: block;
+    cursor: zoom-in;
+    transition: transform 0.3s ease;
+    object-fit: contain; /* Ensures the entire image is visible within its bounds */
+}
+
+.lesson-content img.zoomable-img.enlarged {
+    cursor: zoom-out;
+    max-width: 95vw;
+    max-height: 90vh;
+    position: fixed;
+    top: 50%;
+    left: 50%;
+    transform: translate(-50%, -50%);
+    z-index: 1050; /* High z-index to appear above other elements */
+    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
+}
+
+.lesson-content img.zoomable-img {
+    max-width: 100%;
+    height: auto;
+    margin: 15px 0;
+    display: block;
+    cursor: zoom-in;
+    transition: transform 0.3s ease;
+    object-fit: contain; /* Ensures the entire image is visible within its bounds */
 }
 
 .lesson-content figure {
diff --git a/templates/index.html b/templates/index.html
index d869807..2768926 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -354,6 +354,38 @@
                     studentTokenInput.disabled = false;
                 });
             }
+
+            // Image zoom functionality for home page
+            document.addEventListener('DOMContentLoaded', function() {
+                // Select all images inside home content
+                const homeImages = document.querySelectorAll('.home-content img');
+
+                homeImages.forEach(img => {
+                    // Add zoomable-img class to make them zoomable
+                    if (!img.classList.contains('zoomable-img')) {
+                        img.classList.add('zoomable-img');
+                    }
+
+                    img.addEventListener('click', function() {
+                        // Toggle enlarged class to zoom in/out
+                        this.classList.toggle('enlarged');
+
+                        // Prevent default behavior to avoid any conflicts
+                        if (event) {
+                            event.preventDefault();
+                            event.stopPropagation();
+                        }
+                    });
+                });
+
+                // Add event listener to close enlarged images when clicking outside
+                document.addEventListener('click', function(event) {
+                    const enlargedImg = document.querySelector('.home-content img.enlarged');
+                    if (enlargedImg && !event.target.classList.contains('zoomable-img')) {
+                        enlargedImg.classList.remove('enlarged');
+                    }
+                });
+            });
         });
     </script>
 </body>
diff --git a/templates/lesson.html b/templates/lesson.html
index d3efec0..cc55166 100644
--- a/templates/lesson.html
+++ b/templates/lesson.html
@@ -110,6 +110,12 @@
                             <strong>Tugas anda berhasil!</strong> Output sesuai dengan yang diharapkan.
                         </div>
 
+                        <!-- Warning message card for copy-paste detection -->
+                        <div id="warning-message" class="alert alert-danger d-none mt-3" role="alert">
+                            <i class="fas fa-exclamation-triangle me-2"></i>
+                            <span id="warning-message-text">Peringatan: Copy-paste tidak diperbolehkan. Silakan ketik kode Anda secara manual.</span>
+                        </div>
+
                         <div id="output" class="mt-3 p-3 border rounded bg-light d-none" style="max-height: 200px; overflow-y: auto;">
                             <div class="d-flex justify-content-between align-items-center mb-2">
                                 <h5 class="mb-0"><i class="fas fa-terminal"></i> Output</h5>
@@ -379,40 +385,39 @@
                 showCopyPasteNotification('Cut detected. Cut is not allowed in the code editor. Please type your code manually.');
             };
 
-            // Allow context menu (right-click) but prevent paste actions
-            // We'll handle paste operations separately in the paste event
+            // Prevent context menu (right-click) on the code editor to avoid paste options
+            codeEditor.addEventListener('contextmenu', function(e) {
+                e.preventDefault();
+                e.stopPropagation();
+                return false;
+            });
 
-            // Device detection function
+            // Device detection function - updated to consider screen size as well
             function isMobileDevice() {
-                return /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent);
+                // Check both user agent and screen size to determine if it's a mobile device
+                const isUserAgentMobile = /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent);
+
+                // Also check screen dimensions - if screen width is small, likely mobile device
+                const isScreenSmall = window.innerWidth <= 768 || window.screen.width <= 768;
+
+                // Return true if either condition is met
+                return isUserAgentMobile || isScreenSmall;
             }
 
-            // Function to show a temporary notification about copy-paste detection
+            // Function to show a temporary warning card about copy-paste detection
             function showCopyPasteNotification(message) {
-                // Create or update notification element
-                let notificationEl = document.getElementById('copy-paste-notification');
-                if (!notificationEl) {
-                    notificationEl = document.createElement('div');
-                    notificationEl.id = 'copy-paste-notification';
-                    notificationEl.style.position = 'fixed';
-                    notificationEl.style.top = '20px';
-                    notificationEl.style.right = '20px';
-                    notificationEl.style.padding = '10px 15px';
-                    notificationEl.style.backgroundColor = '#dc3545';
-                    notificationEl.style.color = 'white';
-                    notificationEl.style.borderRadius = '4px';
-                    notificationEl.style.zIndex = '10000';
-                    notificationEl.style.boxShadow = '0 2px 10px rgba(0,0,0,0.2)';
-                    document.body.appendChild(notificationEl);
+                const warningElement = document.getElementById('warning-message');
+                const warningTextElement = document.getElementById('warning-message-text');
+
+                if (warningElement && warningTextElement) {
+                    warningTextElement.textContent = message;
+                    warningElement.classList.remove('d-none');
+
+                    // Hide warning after 5 seconds
+                    setTimeout(() => {
+                        warningElement.classList.add('d-none');
+                    }, 5000);
                 }
-
-                notificationEl.textContent = message;
-                notificationEl.style.display = 'block';
-
-                // Hide notification after 3 seconds
-                setTimeout(() => {
-                    notificationEl.style.display = 'none';
-                }, 3000);
             }
 
             // Enhanced mobile clipboard detection algorithm
@@ -991,6 +996,33 @@
                     }
                 });
             }
+
+            // Image zoom functionality
+            document.addEventListener('DOMContentLoaded', function() {
+                // Select all images inside lesson content
+                const lessonImages = document.querySelectorAll('.lesson-content img');
+
+                lessonImages.forEach(img => {
+                    // Add zoomable-img class to make them zoomable
+                    img.classList.add('zoomable-img');
+
+                    img.addEventListener('click', function() {
+                        // Toggle enlarged class to zoom in/out
+                        this.classList.toggle('enlarged');
+
+                        // Prevent default behavior to avoid any conflicts
+                        event.preventDefault();
+                    });
+                });
+
+                // Add event listener to close enlarged images when clicking outside
+                document.addEventListener('click', function(event) {
+                    const enlargedImg = document.querySelector('.lesson-content img.enlarged');
+                    if (enlargedImg && !event.target.classList.contains('zoomable-img')) {
+                        enlargedImg.classList.remove('enlarged');
+                    }
+                });
+            });
         });
     </script>
 </body>