Custom Surface Solutions (www.css-tile.com) - Owner Craig Thompson (512) 966-8296. This project shows a master bathroom shower and floor using 13" x 13" tile on the shower walls and 13" x 13" and 6" x 6" on floor with hopscotch pattern. Shower includes window, wall box, mosaic accent band, granite seat, and 2" x 2" mosaic shower floor.