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 Mask & Chroma Key on the Effect tab.
3 Enter a value in the Border box to set the thickness of the border for the Overlay clip.
4 Click the Border color box located beside the arrow keys to set the color of the border.
