Adding borders to overlay clips
You can add a border to an overlay clip. For example, you add a white border around an image to make it look more like a photo.
To add a border to an Overlay clip
1 In the Timeline, select an overlay clip.
2 In the Options panel, click the Edit tab, and enter a value in the Border box (below Fill Color) to set the thickness of the border for the Overlay clip.
3 Click the Border color box located beside the arrow keys to set the color of the border.