Edit in JSFiddle

<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <title>Accessibility</title>
    <meta name="description" content="">
    <meta name="viewport" content="width=device-width, initial-scale=1">

    <!-- CSS only -->
    <link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet"
        integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous">

</head>

<body>
    <div class="container-fluid">
        <div class="row">
            <div class="bg-light">
                <div>
                    <ul>
                        <li><a href="#">Home</a></li>
                        <li><a href="#">Blog</a></li>
                        <li><a href="#">Contact</a></li>
                    </ul>
                </div>
            </div>
            <div class="col-1 border border-primary border-top-0 border-bottom-0 border-start-0">
                <p>Here is the sidebar</p>
            </div>
            <div class="col-11">
                <h1>Here is the main content</h1>
                <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Curabitur eget semper nulla. Praesent odio
                    dui, elementum non vehicula id, dignissim quis arcu. Fusce arcu turpis, varius sed nisi ac, cursus
                    gravida purus. Proin a nibh ut enim tincidunt mollis. Suspendisse ornare ac ante a lacinia. Aliquam
                    sollicitudin euismod sem a egestas. Aliquam pellentesque eleifend tortor. Nullam suscipit ac augue
                    et vulputate. Donec ut dolor egestas quam interdum pellentesque. Nunc eros nibh, luctus ultricies
                    lobortis sit amet, lobortis id ante.</p>

                <section>
                    <h2>Meet Our Team</h2>
                    <ul>
                        <li>
                            <figure>
                                <img src="" alt="John Smith">
                                <figcaption>John Smith</figcaption>
                            </figure>

                            <button type="button" class="btn btn-primary">View Profile</button>
                        </li>
                        <li>
                            <figure>
                                <img src="" alt="Bob Smith">
                                <figcaption>Bob Smith</figcaption>
                            </figure>

                            <button type="button" class="btn btn-primary">View Profile</button>
                        </li>
                        <li>
                            <figure>
                                <img src="" alt="Harry Smith">
                                <figcaption>Harry Smith</figcaption>
                            </figure>

                            <button type="button" class="btn btn-primary">View Profile</button>
                        </li>
                    </ul>
                </section>
            </div>
            <div class="bg-light">
                <p>Here is the footer</p>
            </div>
        </div>
    </div>
</body>

<!-- JavaScript Bundle with Popper -->
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js"
    integrity="sha384-ka7Sk0Gln4gmtz2MlQnikT1wXgYsOg+OMhuP+IlRH9sENBO0LRn5q+8nbTov4+1p"
    crossorigin="anonymous"></script>

</html>
        figure {
          position: relative;
        }

        figcaption {
          position: absolute;
          bottom: 0;
          left: 0;
          background-color: cadetblue;
          padding: 1rem;
        }

        img {
          display: block;
          width: 150px;
          height: 220px;
          background-color: lightcoral;
        }

        ul li {
          display: inline-block;
          list-style: none;
          margin: 0;
          padding: 0;
        }