Your browser does not support grid, so will not be supported. Hover over your browser version to see if there is a way to enable potential support. Sorry, I am no longer able to justify working on making the layout work on older devices.
(Setsubun is a Japanese holiday which celebrates the end of the winter. During this day, people wish for good luck by throwing soybean seeds at people dressed as onis, so that they stay away from their homes)