Update style.css

style.css

@@ -276,3 +276,8 @@ pre {
     border-radius: 0.25em; /* Slight border radius for better appearance */
     padding: 0.5em; /* Padding for better readability */
 }
+.recently-updated {
+    background-color: #fffae6; /* Light yellow highlight */
+    padding: 2px;
+    border-radius: 3px;
+}