Resize layers
There are several ways to resize layers that work in both the canvas overview and the Transition Designer.
Resize a layer using handles
With a layer selected, click and drag on one of the resize handles at the corners of the selection.
Resize a layer while constraining proportions
Hold shift while resizing a layer from its resize handles to maintain it’s proportions.
Resize a layer from the center
Hold option while resizing a layer from its resize handles. This can be used in conjunction with the shift modifier to constrain proportions.
Resize a layer using the layer properties inspector
In the Layer Properties Inspector, modify the width and height values. You can also click and drag on the “Width” and “Height” labels.