diff --git a/src/components/PDF.tsx b/src/components/PDF.tsx
index 85467b2..bd6584a 100644
--- a/src/components/PDF.tsx
+++ b/src/components/PDF.tsx
@@ -1,4 +1,4 @@
-import React, { useEffect, useRef } from "react";
+import React, { useEffect, useState } from "react";
 import "./PDF.css";
 
 // Import the PDF file
@@ -6,20 +6,41 @@ import CV_PDF from "./_PDF/Lars_Flem_CV_english.pdf";
 
 // Define the PdfViewer component
 const PdfViewer: React.FC = () => {
-  const pdfRef = useRef<HTMLObjectElement>(null);
+  const [isMobile, setIsMobile] = useState(false);
 
   useEffect(() => {
-    if (pdfRef.current) {
-      // Calculate the height dynamically based on the window height
-      const windowHeight = window.innerHeight;
-      pdfRef.current.style.height = `${windowHeight - 150}px`; // Subtract header/footer or any margin as needed
-    }
+    // Check if viewport width is less than or equal to 768px (common mobile width)
+    const handleResize = () => {
+      setIsMobile(window.innerWidth <= 768);
+    };
+
+    // Set the initial value
+    handleResize();
+
+    // Add event listener for window resize
+    window.addEventListener("resize", handleResize);
+
+    // Cleanup listener on component unmount
+    return () => window.removeEventListener("resize", handleResize);
   }, []);
 
+  // If on a mobile device, display a message instead of the PDF
+  if (isMobile) {
+    return (
+      <div className="pdf-viewer-container">
+        <h2>CV</h2>
+        <p>
+          PDF not displayed on mobile devices.{" "}
+          <a href={CV_PDF}>Download the PDF</a>.
+        </p>
+      </div>
+    );
+  }
+
   return (
     <div className="pdf-viewer-container">
       <h2>CV</h2>
-      <object ref={pdfRef} data={CV_PDF} type="application/pdf" width="100%">
+      <object data={CV_PDF} type="application/pdf" width="100%" height="750px">
         <p>
           PDF cannot be displayed. <a href={CV_PDF}>Download the PDF</a>.
         </p>