Specify a document grid color by choosing a color in
the Color menu. You can also choose Custom in the Color menu.
To
set horizontal grid spacing, specify a value for Gridline Every
in the Horizontal section of the Document Grid section, and then
specify a value for Subdivisions between each grid line.
To set vertical grid spacing, specify a value for Gridline
Every in the Vertical section of the Document Grid section, and
then specify a value for Subdivisions between each grid line.
Do one of the following, and click OK:
To put the document and baseline grids
behind all other objects, make sure that Grids in Back is selected.
To put the document and baseline grids in front
of all other objects, deselect Grids in Back.
To put guides behind all other objects,
you can also choose Guides in Back in the context menu that appears
when you right-click (Windows) or Control-click (Mac OS)
an empty area of the document window.