+----------------------------------------+ | |
| top_col_1 | | |
+----------------------------------------+ | |
| head_col_1 | | |
+-----------+--------------+-------------+ | |
| | | | | |
| mid_col_1 | mid_col_2 | mid_col_3 | | |
| | | | | |
| +--------------+ | | |
| | bottom_col_1 | | | |
+-----------+--------------+-------------+ | |