If you mean the title at the top of the Bible verses eg. “John 3:1-3”, then do this:-
1. Manage->Manage Schedules
2. Select the schedule you are using
3. At Schedule Default Settings change the Heading icon to the option “Show all headings”
4. Click OK.
5. Make sure also your individual settings are also set with “Show all headings”.
If you mean you want the bottom citation to be bigger, then:-
1. At Easyslides Window, click Data Panel at the right hand pane
2. Make sure the Data Panel icon and the Title icon are clicked.
3. Increase the “Height” setting to the size you want.