Adobe Illustrator CC Classroom in a Book (2019 Release), First Edition

panel menu to open the Layer Options dialog box.

2. Double-click the new sublayer name (Layer 5, in my case), change the name to Main Menu,
   and then press Enter or Return.

Creating a new sublayer opens the selected layer to show existing sublayers and content.

3. 
   

   Click the disclosure triangle ( ) to the left of the Phone Content layer to hide the content of
   the layer.

   
   


4. 
   

   Drag the left edge of the Layers panel to the left to make it wider.