It’s important that you remove the height declaration when you do this so that the aspect ratio of the video is maintained as it grows and shrinks, lest you get awkward “bars” to fill the empty space (unlike images, the actual video maintains it’s aspect ratio regardless of the size of the element). embed-responsive-item isn’t strictly required, but we encourage it.
You may use the Bootstrap integration to put the IFrame's content inside a modal to make it even more interactive and fun. Wrap any embed like an