title: Enable background when open Bootstrap modal popup
body: <p>I have used modal popup of Bootstrap in my project and want following things:</p>
  
  <ol>
  <li>When open modal popup and click on the background popup should not close.</li>
  <li>When open modal popup background should not <em>blur</em>, meaning opening modal popup background should not affect any way.</li>
  <li>After open modal popup user can also work on the background that time popup should not close.</li>
  </ol>