Appearances: Multiple Strokes- Opacity Controls-

The Appearance Panel in Illustrator is a very complex panel that allows custom “appearances” of an object to be created and stored. These appearances can then be applied to other objects, like a Style in Photoshop. These are called Graphic Styles.

The appearance panel can allow you to store many aspects of an objects appearance: such as the following

To create a complex appearance with multiple strokes.

Step 3: Controlling the Opacity of the stroke & fills

 

 

 

Create the following examples , putting them in sequence on a single page and labelling them A through E: