js非常漂亮的弹出框

import React, { useState } from 'react';
import './Modal.css';

function App() {
  const [isModalOpen, setIsModalOpen] = useState(false);

  const openModal = () => setIsModalOpen(true);
  const closeModal = () => setIsModalOpen(false);

  return (
    <div className="App">
      <button onClick={openModal}>Open Modal</button>
      {isModalOpen && (
        <div className="modal-overlay" onClick={closeModal}>
          <div className="modal-content" onClick={(e) => e.stopPropagation()}>
            <span className="close-button" onClick={closeModal}>&times;</span>
            <h2>Beautiful Modal</h2>
            <p>This is a beautiful modal box!</p>
          </div>
        </div>
      )}
    </div>
  );
}

export default App;

/* Modal.css */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
}

.modal-content {
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  position: relative;
  max-width: 90%;
  max-height: 90%;
  overflow-y: auto;
}

.close-button {
  position: absolute;
  top: 10px;
  right: 10px;
  cursor: pointer;
}