Figure 8.18 - Alpha Over effect
At the bottom, you also have an Opacity control a Strip transparency.
That is useful in case you need a watermark in a video project.
Tip: You can add keyframes to any property in the Sequencer Sidebar.
8.5.1 Editing video
With the Video Sequencer Editor, you have most of the tools and options
from a traditional video editor. For instance, you can cut Strips to remove
or reorder parts of your animation. To cut a video, you use the K key with
a Strip selected (Figure 8.19).