setting up a grid - indesign

1. Choose InDesign > Preferences > Grids.
2. Specify a document grid color by choosing a color in the Color menu. You can also choose Custom in the Color menu.
3. 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.
4. 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.
5. 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.