corrected footer and linked the click to apply

src/App.css

@@ -35,4 +35,13 @@
 .sidebar.open {
   transform: translateX(0);
   /* Show the sidebar by removing the translation */
+}
+
+.sidebar-open {
+  border: 1px solid red;
+}
+
+.sidebar-close {
+  border: 1px solid green;
+  transform: translateX(0%);
 }