- if object.content? or object.left? or object.right? - tag :div, object.merge_html_attributes(class: " the_bottom_panel") do .css_box - if object.content? or object.left? .l_left .l_item = object.content = object.left.content .css_clear - if object.right? .l_right .l_item= object.right.content .css_clear .css_clear