title: Is it ok to place other tags directly inside div container in bootstrap 3, without .row and col?
body: <p>Is it ok to keep a tag directly inside  in bootstrap 3? or it's preferable to have every inside .row>.col-md-#</p>
  
  <p>is this structure ok or can create problem on mobile</p>
  
  <pre><code>&lt;div class="container"&gt;
    &lt;h1&gt;Lorem ipsum dolor sit amet, consectetur adipisicing elit.&lt;/h1&gt;
    &lt;div id="ajaxID"&gt;
      &lt;div class="row"&gt;
        &lt;div class="col-md-6"&gt;Some pic&lt;/div&gt;
        &lt;div class="col-md-6"&gt;Some text&lt;/div&gt;
      &lt;/div&gt;
      &lt;div class="row"&gt;
        &lt;div class="col-md-6"&gt;Some pic&lt;/div&gt;
        &lt;div class="col-md-6"&gt;Some text&lt;/div&gt;
      &lt;/div&gt;
    &lt;/div&gt;  
  &lt;/div&gt;
  </code></pre>