ant-design/components/card/demo/border-less.tsx

import React from 'react';
import { Card } from 'antd';

const App: React.FC = () => (
  <Card title="Card title" variant="borderless" style={{ width: 300 }}>
    <p>Card content</p>
    <p>Card content</p>
    <p>Card content</p>
  </Card>
);

export default App;