diff --git a/_includes/head/custom.html b/_includes/head/custom.html
index a4f7738..2e183f5 100644
--- a/_includes/head/custom.html
+++ b/_includes/head/custom.html
@@ -6,6 +6,8 @@
 <script src='https://cdn.jsdelivr.net/npm/@fullcalendar/timegrid@6.1.15/index.global.min.js'></script>
 <script src='https://cdn.jsdelivr.net/npm/@fullcalendar/interaction@6.1.15/index.global.min.js'></script>
 <script async data-id="101473225" src="//static.getclicky.com/js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/pdf.js/2.16.105/pdf.min.js"></script>
+
 
 <!--Keyword tags-->
 <meta name="keywords" content="7T kardiale MRT, Herzinsuffizienz ,Magnetresonanztomographie, Elektromagnetische Feldverteilung, Deep Learning,Medizinische Bildgebung, Hochfeld-MRT, Kardiale Bildgebungstechniken, Universität Würzburg, Deutsches Zentrum für Herzinsuffizienz, Klinische Anwendung, Kardiologie ,7T cardiac MRI, Physics-informed machine learning, Heart failure, Electromagnetic field distribution, Maxwell's equations, Deep learning, Medical imaging, High-field MRI, Cardiac imaging techniques, Spring School 2025, University of Würzburg, German Center for Heart Failure, Clinical application, Numerical simulations, Heartdisease">
\ No newline at end of file
diff --git a/assets/css/main.scss b/assets/css/main.scss
index 653df04..1f6549f 100644
--- a/assets/css/main.scss
+++ b/assets/css/main.scss
@@ -95,6 +95,47 @@ p, div {
     margin: 2px 2px !important;
   }
 }
+
+
+
+
+.grid {
+    display: grid;
+    padding: 20px;
+    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); /* Responsive wrapping */
+    gap: 20px;
+
+}
+.pdf-box {
+    border: 1px solid #ddd;
+    padding: 10px;
+    text-align: center;
+}
+canvas {
+    width: 100%;
+    height: auto;
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
 
 
 @import "minimal-mistakes/skins/{{ site.minimal_mistakes_skin | default: 'default' }}"; // skin
diff --git a/assets/js/custom_requirments.js b/assets/js/custom_requirments.js
index adb6134..ea8277d 100644
--- a/assets/js/custom_requirments.js
+++ b/assets/js/custom_requirments.js
@@ -100,7 +100,7 @@ if (form){
 
 
 
-
+// Requirement: To make calendar events clickable and navigate to the corresponding event details on detailed_program_schedule page.
 const fullCalendarElement = document.querySelector('full-calendar');
 if (fullCalendarElement) {
 
@@ -122,5 +122,48 @@ if (s.get('event_id')){
 
 
 
+const pdfFiles = [
+    // { url: "/assets/posters/test.pdf", name: "Document 1" },
+];
 
+function renderPDF(url, canvasElement) {
+    const loadingTask = pdfjsLib.getDocument(url);
+    loadingTask.promise.then(pdf => {
+        pdf.getPage(1).then(page => {
+            const scale = 1.5;
+            const viewport = page.getViewport({ scale });
+            const context = canvasElement.getContext('2d');
+            canvasElement.height = viewport.height;
+            canvasElement.width = viewport.width;
 
+            const renderContext = {
+                canvasContext: context,
+                viewport: viewport
+            };
+            page.render(renderContext);
+        });
+    });
+}
+
+function loadPDFs() {
+    const grid = document.getElementById("pdf-grid");
+
+    pdfFiles.forEach(file => {
+        const box = document.createElement("div");
+        box.classList.add("pdf-box");
+
+        const canvas = document.createElement("canvas");
+        renderPDF(file.url, canvas);
+
+        const button = document.createElement("button");
+        button.textContent = "Download";
+        button.onclick = () => window.open(file.url, "_blank");
+        button.classList.add("btn","btn-primary");
+
+        box.appendChild(canvas);
+        box.appendChild(button);
+        grid.appendChild(box);
+    });
+}
+
+loadPDFs();
diff --git a/google9f748088153c412c.html b/google9f748088153c412c.html
deleted file mode 100644
index be53ced..0000000
--- a/google9f748088153c412c.html
+++ /dev/null
@@ -1 +0,0 @@
-google-site-verification: google9f748088153c412c.html
\ No newline at end of file
diff --git a/spring_school_2025/posters.md b/spring_school_2025/posters.md
index 2ed2660..7c96f8f 100644
--- a/spring_school_2025/posters.md
+++ b/spring_school_2025/posters.md
@@ -22,4 +22,8 @@ The posters will be printed in DIN A0 (84,1 x 118,9 cm).
 Please make sure that you poster is adjusted to this size
 
 ## Posters
-After the spring school all posters will be posted here.
\ No newline at end of file
+After the spring school all posters will be posted here.
+
+
+<div class="grid" id="pdf-grid"></div>
+