|This is a documentation subpage for Template:-.|
It contains usage information, categories, and other content that is not part of the original template page.
This template clears both margins (or either one); it is often used before a header to make sure that header will be the full width of the page.
Which side(s) to clear on, i.e. the content following this template should appear below boxes floating to which side (right, left or both).