CFusionMM

function embed_loom_video_function() {
    global $post;
    $url = get_field('loom_video_link', $post->ID);
    $ouput = '<div style="position: relative; padding-bottom: 56.25%; height: 0;"><iframe src="' . $url . '" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen style="position: absolute; top: 0; left: 0; width: 100%; height: 100%;"></iframe></div>';

	return $ouput;
}
add_shortcode('embed-loom-vid', 'embed_loom_video_function');