title: Bootstrap grid issue
body: <p>So i've been trying to figure out how to make spaces in between each columns of col-sm-4 and couldn't really find a way how to make the spacing. As you can see I there is no spacing in between the columns.</p>
  
  <p><img src="https://i.stack.imgur.com/J72Gi.png" alt="enter image description here"></p>
  
  <p>Need something like this:
  <img src="https://i.stack.imgur.com/56Vdh.png" alt="enter image description here">
      </p>
  
  <pre><code>            &lt;div class="inner_img"&gt;
                &lt;img src="img/tablets/phoca_thumb_m_1.png" class="center-block"&gt;
              &lt;/div&gt;
  
              &lt;h5&gt;Memorial Code: ...&lt;/h5&gt;
  
              &lt;p&gt;.&lt;/p&gt;
  
            &lt;/div&gt;
            &lt;div class="col-sm-4 phocagallery-box-file"&gt;
              &lt;img src="img/tablets/phoca_thumb_m_2.png" class="center-block"&gt;
              &lt;h5&gt;Memorial Code: ...&lt;/h5&gt;
  
              &lt;p&gt;.&lt;/p&gt;
            &lt;/div&gt;
            &lt;div class="col-sm-4 phocagallery-box-file"&gt;
              &lt;img src="img/tablets/phoca_thumb_m_3.png" class="center-block"&gt;
              &lt;h5&gt;Memorial Code: ...&lt;/h5&gt;
  
              &lt;p&gt;.&lt;/p&gt;
            &lt;/div&gt;
  </code></pre>
  
  <p>CSS:</p>
  
  <pre><code>.phocagallery-box-file {
    background: #525900;
    display: block;
    padding: 5px;
  }
  </code></pre>