CSS GRID GARDEN
https://gyazo.com/f0341282c2a463ed6e44f7f4277c6914
row \ col
分割する方はgrid-template: row / col;
grid-template-rows
grid-template-columns
要素の方は grid-area: row-start / col-start / row-end / col-end;
grid-row
grid-row-start
grid-row-end
grid-column
同様