Change record status: 
Project: 
Introduced in branch: 
7.x-3.x
Introduced in version: 
7.x-3.1
Description: 

Before in 7.x-3.0:

The inner dialog attributes in were hard coded in bootstrap-modal.tpl.php:

<div class="modal-dialog">

After in 7.x-3.1:

If you have overridden this template in your sub-theme, you will need to replace it with the following:

<div<?php print $dialog_attributes; ?>>
Impacts: 
Themers