Video Format: Size
The embed
code specified a default size for the Video. Here are the
steps to change the Size.
7.
Try it: Format the Video Size
The Video
on Slide 3 is still selected.
Go to
Video Tools ->Format ->Size.
Edit the
Width: 4

When you
click ENTER on the keyboard, the height will resize to match
the same proportions.
Keep
going...