Made the button position fixed

assets/js/presentation-export.js

@@ -11,7 +11,7 @@
         btn.id = "export-btn";
         btn.textContent = "PDF";
 
-        btn.style.position = "fixed";
+        btn.style.position = "absolute";
         btn.style.top = "10px";
         btn.style.zIndex = "9999";
         btn.style.right = "10px";
@@ -84,4 +84,4 @@
             }, 50);
         }
     }
-})();
\ No newline at end of file
+})();