You can override your site default header and footer.
Each page on your site, can have its own headers and footers.
Log in to your Omnibasis site and navigate to omniSite \ Appearance.
Select Default Header section and create a header
Note: you can use Page Blocks in order to insert a predefined header.
Select Default Footer section and create a footer
Note: you can use Page Blocks in order to insert a predefined footer.