Change a master grid
1.On the Masters navigator of the Pages main tab, double-click a master page to open it
2.On the Layout menu, select Master setup.
3.Select what you want.
Set a vertical grid on a master
1.On the Masters navigator of the Pages main tab, double-click a master page to open it
2.On the Layout menu, select Edit nudge and then select a value of the most frequent leading on the page, or however a value that, when used as a divisor of the module height, gives an integer result.
To learn more, see also