如何在引导程序中拉伸容器以适合整个页面

.clientsParrlex {
  background-color: #0f0e0e;
  padding-top: 70px;
  padding-bottom: 70px;
  margin-bottom: 50px;
}

.level > div{
padding:10px;
}

.level > div > img{
width:100%;
}

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">

<!-- jQuery library -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>

<!-- Latest compiled JavaScript -->
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>

<div class="clientsParrlex">
  <div class="container newconwidth">
    <div class="row level">
      <div class="col-md-6">
        <img src="http://via.placeholder.com/650x300">
      </div>
      <div class="col-md-6 ">
        <h1><span class="one">Våra</span> <span class="two">Klienter</span></h1>
        <p><strong>Quisque dolor lacus, commodo id hendrerit viverra, euismod in odio.</strong></p>
        <p>Aliquam fermentum massa ac est sollicitudin, at ultricies ligula tristique. Cras finibus, nulla ac convallis feugiat, nisl nisl lobortis est, eget auctor velit magna vel nunc. Donec nec eros rhoncus.</p>
        <p>Aenean nisi neque, aliquam ut nibh sit amet, finibus sagittis tortor aenean consectetur.</p>
      </div>
    </div>
  </div>
</div>