<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<div class="container border bg-light pt-2">
<h5>Пользователи и Группы</h5>
<div class="row pt-2">
<div class="col-6 border pt-2">
<div class="form-group">
<label>Поиск в домене</label>
<div class="input-group">
<input type="text" class="form-control" placeholder="" aria-label="" aria-describedby="basic-addon1">
<div class="input-group-append">
<select class="custom-select btn pl-0">
<option selected>Любой</option>
<option value="1">Пользователь</option>
<option value="2">Группа</option>
</select>
<button class="btn btn-outline-primary" type="button">Искать</button>
</div>
</div>
</div>
<div class="from-group mb-3">
<select class="custom-select" multiple size="10">
<option value="0">Zero</option>
<option value="1">One</option>
<option value="2">Two</option>
<option value="3">Three</option>
</select>
<button type="button" class="btn btn-primary my-2 float-right">></button>
</div>
</div>
<div class="col-6 border pt-2">
<div class="form-group">
<label>Назначение прав</label>