Selecting grid for the View format creates a table to place the results in. You are prompted to enter the number of columns for the table and then the results are placed into a number of rows and columns, with each result forming a cell. You can select whether the results are striped horizontally or vertically, as well as whether each cell should have a percentage width added. For example, the default settings with four columns will add a style="width: 25%" attribute to each cell. At present, there is no option to add blank cells to fill out the columns as there has been in previous versions of Views.