To specify the layout styles that will be used in the browser for your HTML page, make your selections in the Layout window of the Style Composer.
The Layout window of the Style Composer is comprised of the following elements:
From which you can specify: Visibility, Allow text to flow, Display, Allow floating objects.
From which you can specify: Overflow.
From which you can specify whether or not to clip the layout from the following positions: Top, Bottom, Left, Right.
From which you can specify: Before, After.