Enable background when open Bootstrap modal popup
<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>