blur modal

src/components/todolist/Modal.jsx

@@ -22,7 +22,7 @@ export default function Modal({task, isOpen, closeModal, saveTask }) {
 
 
   return (
-    <div className="fixed inset-0 bg-black bg-opacity-25 flex items-center justify-center z-50">
+    <div className="fixed inset-0 bg-grey bg-opacity-25 backdrop-blur-sm flex items-center justify-center z-50">
           <div 
             className="bg-white rounded-lg shadow-xl p-6 w-full max-w-md mx-4"
           >