{{extend 'layout.html'}} {{ # add bootstrap class to form form['_class']='span4 well well-small' # change form.custom.begin form.custom.begin=XML("<%s %s>" % (form.tag,form._xml()[0])) # new form buttons smt = form.element('input',_type='submit') smt['_class']='btn' form.element('input[type=submit]',replace=lambda button: DIV(button,_class="controls-inline")) }}