Templates

This plugin has a template that uses Twitter Bootstrap 3.

You can use it as example skeleton for your templates.

As quickstart you can use a CDN for the related css:

<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.2/css/bootstrap.min.css">
<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.2/css/bootstrap-theme.min.css">

and the related javascript:

<script src="http://code.jquery.com/jquery.js"></script>
<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.2/js/bootstrap.min.js"></script>

Custom Template

Create your template and inside settings.py add:

GOOGLEPLUS_PLUGIN_TEMPLATES = (
    ('cmsplugin_googleplus/twitter_bootstrap.html',
     _('Example Template using Twitter Bootstrap')),
    ('path/to/my/template',
     _('My beautiful template'))
)