Непонятный отступ

by kadikey58

HTML

<script src="//code.jquery.com/jquery-3.3.1.slim.min.js"></script>
<link rel="stylesheet" href="//stackpath.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css">
<script src="//cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.0/umd/popper.min.js"></script>
<script src="//stackpath.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
<!-- 
  Bootstrap docs: https://getbootstrap.com/docs
-->

<div class="col">
		<ul id="list-tab" class="nav flex-column list-group" role="tablist">
			<li class="list-group-item">
				<a id="list-fromNovorossiysk-btn" href="#list-fromNovorossiysk" class="row align-items-stretch list-group-item-action rounded no-gutters" data-toggle="list" role="tab" aria-controls="fromNovorossiysk" aria-selected="false">
					<div class="col-3 bg-primary bg-image-groom rounded"></div>
					<div class="col bg-dark">
						<div>Karen Sanders</div>
						<div>Project Manager</div>
					</div>
				</a>
			</li>
			<li class="list-group-item">
				<a id="list-fromNovorossiysk-btn" href="#list-fromNovorossiysk" class="row align-items-stretch  list-group-item-action rounded no-gutters" data-toggle="list" role="tab" aria-controls="fromNovorossiysk" aria-selected="false">
					<div class="col-3 bg-primary">
						<img class="img-fluid rounded" src="/img/groom.jpg">
					</div>
					<div class="col bg-dark">
						<div>Детские праздники</div>
						<div>Project Manager</div>
					</div>
				</a>
			</li>
		</ul>
	</div>

CSS

body {
  background-color: #f8f9fa;
}