Using the Grid layout module allows you to define explicit areas of your page for content, like a menu, header, and footer.
This grid container creates 4 columns of equal width, and 2 rows of equal height. The items then fill in across, row 1 > row 2
Grid Item 1
Grid Item 2
Grid Item 3
Grid Item 4
Grid Item 5
Grid Item 6
Grid Item 7
Grid Item 8