Work three column tiles

[bt_section][/bt_section][bt_section layout=”wide” spaced=”not-spaced” skin=”inherit” full_screen=”no” ghost=”no” scroll_info=”no” scroll_info_text=”” divider=”no” back_image=”” parallax=”” parallax_offset=”” el_id=”” el_class=”” el_style=””][bt_row el_class=”” el_style=””][bt_column width=”1/1″ align=”center” animation=”no_animation” el_class=”” el_style=””][bt_grid number=”6″ columns=”3″ category=”” category_filter=”no” grid_type=”tiled” post_type=”portfolio” scroll_loading=”yes” el_class=”” el_style=”” tiles_title=”no”][/bt_grid][/bt_column][/bt_row][/bt_section]