React Js Find Square Root of Number

<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8" />
  <script src="https://cdnjs.cloudflare.com/ajax/libs/react/17.0.2/umd/react.development.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/17.0.2/umd/react-dom.development.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/babel-standalone/6.26.0/babel.min.js"></script>
</head>
<body>
  <div id="app"></div>
  <script type="text/babel">
    const { useState } = React;
    function App() {
      const initialNumbers = [4, 9, 12, 56, 67];
      const [squareRoots, setSquareRoots] = useState([]);

const calculateSquareRoots = () => {
        const squareRootArray = initialNumbers.map(number => Math.sqrt(number));
        setSquareRoots(squareRootArray);
      };

return (
        <div className='container'>
          <h3 className='title'>React Js Find Square Root of Numbers within Array</h3>
          <p className='number'>Square Roots: {initialNumbers.join(', ')}</p>
          <button onClick={calculateSquareRoots} className='button'>
            Calculate Square Roots
          </button>
          <p className='result'>Square Roots: {squareRoots.join(', ')}</p>
        </div>
      );
    }

ReactDOM.render(<App />, document.getElementById("app"));
  </script>

/* Title Styles */
    .title {
      font-size: 24px;
      text-align: center;
      color: #333;
      margin-bottom: 10px;
    }

/* Number Styles */
    .number {
      font-size: 16px;
      color: #666;
      margin-bottom: 10px;
    }

/* Button Styles */
    .button {
      display: block;
      width: 100%;
      background-color: #007bff;
      color: #fff;
      border: none;
      padding: 10px;
      border-radius: 5px;
      font-size: 18px;
      cursor: pointer;
      transition: background-color 0.3s;
    }

.button:hover {
      background-color: #0056b3;
    }

/* Result Styles */
    .result {
      font-size: 18px;
      color: #333;
      margin-top: 10px;
    }

/* Adding some space between elements */
    p {
      margin: 0;
    }
  </style>
</body>

</html>