form->csrf() ?>

form->label(t('Vertical offset in pixels'), 'shrink_vertically_offset') ?> form->number('shrink_vertically_offset', $values, $errors) ?>

form->checkbox('shrink_vertically_top_scrollbar', t('Add a top horizontal scrollbar to the board'), 1, isset($values['shrink_vertically_top_scrollbar']) && $values['shrink_vertically_top_scrollbar'] == 1) ?>

form->checkbox('shrink_vertically_drag_scroll', t('Drag the board background to scroll horizontally'), 1, isset($values['shrink_vertically_drag_scroll']) && $values['shrink_vertically_drag_scroll'] == 1) ?>