Bootstrap caroousel

HTML

<!DOCTYPE html>
<html lang="en">
<head>
  <title>Bootstrap Example</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"></script>
  <style>
  /* Make the image fully responsive */
  .carousel-inner img {
      width: 100%;
      height: 100%;
  }
  </style>
</head>
<body>

<div id="demo" class="carousel slide carousel-fade" data-ride="carousel">
  
  <ul class="carousel-indicators">
    <li data-target="#demo" data-slide-to="0" class="active"></li>
    <li data-target="#demo" data-slide-to="1"></li>
    <li data-target="#demo" data-slide-to="2"></li>
  </ul>
    
  <!-- The slideshow -->
  <div class="carousel-inner">
    <div class="carousel-item active" data-interval="10000">
      <img src="https://images.unsplash.com/photo-1584968163863-ce89e7a6c475?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80" alt="Los Angeles" class="d-block w-100">
      <div class="carousel-caption d-none d-md-block">
          <h5>First slide label</h5>
          <p>Nulla vitae elit libero, a pharetra augue mollis interdum.</p>
        </div>
    </div>
    <div class="carousel-item" data-interval="5000">
      <img src="https://images.unsplash.com/photo-1584303515229-319abab5b28a?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80" alt="Chicago" class="d-block w-100">
      <div class="carousel-caption d-none d-md-block">
          <h5>Second slide label</h5>
          <p>Nulla vitae elit libero, a pharetra augue mollis interdum.</p>
        </div>
    </div>
    <div class="carousel-item"  data-interval="2000">
      <img...