<html lang="en">
<head>
    <!-- Required meta tags -->
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <link href="style.css" rel="stylesheet">
    <!-- Bootstrap CSS -->
    <title>Слайдер</title>
</head>
<body>

<div class="fotorama">
    <img src="https://s.fotorama.io/1.jpg">
    <img src="https://s.fotorama.io/2.jpg">
</div>

<!-- Optional JavaScript -->
<!-- jQuery first, then Popper.js, then Bootstrap JS -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<link href="https://cdnjs.cloudflare.com/ajax/libs/fotorama/4.6.4/fotorama.css" rel="stylesheet">
<script src="https://cdnjs.cloudflare.com/ajax/libs/fotorama/4.6.4/fotorama.js"></script>

</body>
</html>
.fotorama {
    display: flex;
    justify-content: center;
}

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.