<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<div class="col-md-8">
<div class="card">
<div class="card-header">Titulo</div>
<div class="card-block">
<form>
<div class="form-group">
<div class="row">
<div class="col-md-8">
<label>Titulo</label>
<input type="text" class="form-control">
</div>
</div>
</div>
<div class="form-group">
<div class="row">
<div class="col-md-8">
<label>Description</label>
<textarea class="form-control" rows="5"></textarea>
</div>
</div>
</div>
<div class="form-group">
<div class="row">
<div class="col-md-2">
<label>label</label>
<select class="form-control">
<option selected>option 1</option>
<option>option 2</option>
</select>
</div>
<div class="col-md-2">
<label>label</label>