Periodic comes with 4 page templates you can use on your pages (with Right Sidebar (Default), with Left Sidebar,
Contributers Page* and Full Width). To assign any page template to a given page, simply select which template to use
from the select drop down menu under the Page Attributes heading.
Note that WordPress will automatically select the Default Template whenever you create a new page. You will have to
manually change which template your respective page is utilizing for each page and click Update to see the changes
*Version 1.0.4 Update: As of the release of Periodic 1.0.4, you now have a Contributors Page Template that will automatically
list all of your authors on one page. The list will include the authors Gravatar, bio and a link to their respective author archive.