title: Bootstrap 3 - Columns width divided equally without using col-md-*
body: <pre><code> &lt;div class="row"&gt;
      &lt;div class="column1"&gt;&lt;/div&gt;
      &lt;div class="column2"&gt;&lt;/div&gt;
   &lt;/div&gt;
  </code></pre>
  
  <p>column1 and column2 should be divided equally to take half the space.</p>
  
  <pre><code> &lt;div class="row"&gt;
      &lt;div class="column1"&gt;&lt;/div&gt;
      &lt;div class="column2"&gt;&lt;/div&gt;
      &lt;div class="column3"&gt;&lt;/div&gt;
   &lt;/div&gt;
  </code></pre>
  
  <p>column1, column2 and column3 should be divided equally to take 1/3 of space.</p>