title: How to put background color on dynamically created TR element
body: <p>I used the Bootstrap date-time picker and now I need to put a background color to an element inside bootstrap calendar.</p>
  
  <p>I have created this HTML:</p>
  
  <pre><code>&lt;tr HERE I NEED STYLE&gt;
      &lt;td&gt;
          &lt;span class="timepicker-hour" data-time-component="hours" title="Pick Hour" data-action="showHours"&gt;01&lt;/span&gt;
      &lt;/td&gt;
      &lt;td class="separator"&gt;:&lt;/td&gt;
      &lt;td&gt;
          &lt;span class="timepicker-minute" data-time-component="minutes" title="Pick Minute" data-action="showMinutes"&gt;30&lt;/span&gt;
      &lt;/td&gt;
      &lt;td&gt;
          &lt;button class="btn btn-primary disabled" data-action="togglePeriod" tabindex="-1" title="Toggle Period"&gt;PM&lt;/button&gt;
      &lt;/td&gt;
  &lt;/tr&gt;
  </code></pre>
  
  <p>Is there easy way to put background on first TR element with css?</p>