1
With your document open, select the line of text that you wish to set as a heading.
2
Click the Styles drop-down. This is set to Normal text by default.
3
Select which heading you would like to create. You can select H1 for a large heading, or you can select H2 or H3 for smaller headings.
4
An even quicker method is to use a keyboard shortcut instead of selecting via the drop-down.
5
Press [[cmd]] + [[option]] + [[1]]to set your heading as H1
6
Press [[cmd]] + [[option]] + [[2]] to set an H2
7
Press [[cmd]] + [[option]] + [[3]] to set an H3.