I am struggling to center the content, such as an image, in both the row and column.
I have tried using justify-content-center, align-items, and text-align: center, but none of them are working for me.
My goal is to have the image centered within the row. For example, if I have 4 columns, I want all of them to be centered on the page.
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Bootstrap Lessons</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- My Styles -->
<link rel="stylesheet" type="text/css" href="styles.css">
<!-- Link to jQuery -->
<script src="https://code.jquery.com/jquery-3.4.1.js" integrity="sha256-WpOohJOqMqqyKL9FccASB9O0KwACQJpFTUBLTYOVvVU="crossorigin="anonymous"></script>
<!-- Link to JavaScript file -->
<script type="text/javascript" src="file.js" async></script>
<!-- FontAwesome - Icons -->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
</head>
<body>
<div class="wrapper">
<div class="container">
<div class="row justify-content-center">
<div class="col-xl-12">
<img class="img-fluid" src="https://i.ibb.co/6WddWMk/test.png">
</div>
</div>
<div class="row justify-content-center">
<div class="col-xl-4">
<img class="img-fluid" src="https://i.ibb.co/6WddWMk/test.png">
</div>
<div class="col-xl-4">
<img class="img-fluid" src="https://i.ibb.co/6WddWMk/test.png">
</div>
<div class="col-xl-4">
<img class="img-fluid" src="https://i.ibb.co/6WddWMk/test.png">
</div>
</div>
</div>
</div>
</body>
</html>