Give this Bootstrap styling:

<h3>
  <strong>Event Countdown Timer Block</strong>
</h3>
<h4>
  <strong>What is it?</strong>
</h4>
<p>The <strong>Event Countdown Timer Block</strong> is a custom Gutenberg block for WordPress that displays a visually appealing and customizable countdown timer for upcoming events. It allows users to set an event name, event date, and customize the colors of the timer to match their website's design. </p>
<h4>
  <strong>What does it do?</strong>
</h4>
<ol start="1">
  <li>
    <p>
      <strong>Displays a Countdown Timer</strong>: The block shows a real-time countdown to a specified event date, breaking it down into days, hours, minutes, and seconds.
    </p>
  </li>
  <li>
    <p>
      <strong>Customizable Colors</strong>: Users can customize:
    </p>
    <ul>
      <li>
        <p>The gradient background colors.</p>
      </li>
      <li>
        <p>The text color.</p>
      </li>
      <li>
        <p>The color of the countdown boxes.</p>
      </li>
    </ul>
  </li>
  <li>
    <p>
      <strong>Responsive Design</strong>: The timer is fully responsive and works seamlessly on all devices (desktop, tablet, and mobile).
    </p>
  </li>
  <li>
    <p>
      <strong>Dynamic Updates</strong>: The countdown updates in real-time using JavaScript.
    </p>
  </li>
  <li>
    <p>
      <strong>Event Management</strong>: Users can set multiple events by adding multiple blocks, each with its own unique event name and date.
    </p>
  </li>
</ol>
<h4>
  <strong>Key Features</strong>
</h4>
<ul>
  <li>
    <p>
      <strong>User-Friendly Interface</strong>: Color pickers and input fields in the block settings make it easy to customize the timer.
    </p>
  </li>
  <li>
    <p>
      <strong>Modern Design</strong>: A sleek, minimalist design with hover effects and smooth transitions.
    </p>
  </li>
  <li>
    <p>
      <strong>Dynamic Date Handling</strong>: The block uses PHP to handle the event date and JavaScript to update the countdown in real-time.
    </p>
  </li>
</ul>
<h4>
  <strong>What Should Reviewers Look For?</strong>
</h4>
<ol start="1">
  <li>
    <p>
      <strong>Functionality</strong>:
    </p>
    <ul>
      <li>
        <p>Does the countdown timer work correctly and update in real-time?</p>
      </li>
      <li>
        <p>Does it handle the event date properly and display the correct time remaining?</p>
      </li>
    </ul>
  </li>
  <li>
    <p>
      <strong>Customization</strong>:
    </p>
    <ul>
      <li>
        <p>Do the color pickers work as expected?</p>
      </li>
      <li>
        <p>Can users easily customize the gradient background, text color, and box color?</p>
      </li>
    </ul>
  </li>
  <li>
    <p>
      <strong>Responsiveness</strong>:
    </p>
    <ul>
      <li>
        <p>Does the timer look good and function properly on all screen sizes?</p>
      </li>
    </ul>
  </li>
  <li>
    <p>
      <strong>Code Quality</strong>:
    </p>
    <ul>
      <li>
        <p>Is the code well-structured, modular, and easy to understand?</p>
      </li>
      <li>
        <p>Are best practices followed for JavaScript, PHP, and CSS?</p>
      </li>
    </ul>
  </li>
  <li>
    <p>
      <strong>User Experience</strong>:
    </p>
    <ul>
      <li>
        <p>Is the block intuitive to use in the Gutenberg editor?</p>
      </li>
      <li>
        <p>Are the instructions and labels clear?</p>
      </li>
    </ul>
  </li>
</ol>
<h4>
  <strong>Technical Highlights</strong>
</h4>
<ul>
  <li>
    <p>
      <strong>JavaScript</strong>: Handles the real-time countdown updates.
    </p>
  </li>
  <li>
    <p>
      <strong>PHP</strong>: Manages dynamic date handling and block registration.
    </p>
  </li>
  <li>
    <p>
      <strong>CSS</strong>: Provides modern, responsive styles with hover effects and transitions.
    </p>
  </li>
  <li>
    <p>
      <strong>Gutenberg API</strong>: Utilizes the <code>InspectorControls</code> component for block settings and <code>useBlockProps</code> for block rendering.
    </p>
  </li>
</ul>
<h4>
  <strong>How to Test</strong>
</h4>
<ol start="1">
  <li>
    <p>Add the block to a page or post.</p>
  </li>
  <li>
    <p>Set an event name and date.</p>
  </li>
  <li>
    <p>Customize the colors using the color pickers.</p>
  </li>
  <li>
    <p>Preview the page to ensure the countdown works and updates correctly.</p>
  </li>
  <li>
    <p>Test on different devices to confirm responsiveness.</p>
  </li>
</ol>