The Frame Properties dialog box enables you to change  properties of a selected frame.

You can choose a type of scrolling of a frame in a  browser:

It is recommended that you set the frame type to Auto. This is how it is set by default.

Check the Resizable check box if you want a frame to be resizable by a visitor of your page. If this check box is not checked, it means that you do not enable the viewer to change size of the frame.

With the Margin Width and Margin Height spin controls, you can adjust a distance of a text from the left and top borders of a frame. You can define the distance by setting a number in an appropriate field.
Note that these settings are overridden if the Margins option is checked in the Frame (Frame Source Overlay) Visual Settings dialog box.

The Extra HTML button enables you to insert an extra HTML code into a current HTML tag. When you click on the button, the Extra HTML Tag Attributes dialog box gets displayed. Here you can enter extra tag attributes. You must be familiar with the HTML language to use this feature correctly.