To define styling for the entire site, follow these steps:
    - 
        Click the Gear icon on the main navigation bar to open the
            Administration menu.
      
- 
        Select Custom Styles.
      
- 
        In the Manage Custom Styles interface, click New
            Custom Style.
        
          The New Custom Style interface appears. 
 
- 
        Add the Name of the new custom style, and optionally, its
            Description.
      
- 
        Click SAVE.
      
- 
        Depending on your permissions, you can add CSS and Javascript (JS) styling: