How can you create custom cell styles using a blank workbook in Excel?

A) Access Home -> Cell Styles -> Create Custom Styles
B) Open a blank workbook and go to Insert -> Cell Formatting
C) Utilize View -> Customization -> Cell Styles Creation
D) Start from a blank workbook and generate styles through example, using More Colors for colors.
What action follows after creating custom cell styles in a blank workbook?

A) Save the workbook
B) Apply styles to cells immediately
C) Close the workbook
D) Copy styles to another workbook