new: icloud manual

lib/view/widget/cardx.dart

@@ -0,0 +1,21 @@
+import 'package:flutter/material.dart';
+
+class CardX extends StatelessWidget {
+  const CardX(this.child, {Key? key, this.color}) : super(key: key);
+
+  final Widget child;
+  final Color? color;
+
+  @override
+  Widget build(BuildContext context) {
+    return Card(
+      key: key,
+      clipBehavior: Clip.antiAlias,
+      color: color,
+      shape: const RoundedRectangleBorder(
+        borderRadius: BorderRadius.all(Radius.circular(17)),
+      ),
+      child: child,
+    );
+  }
+}