Z-Index
All BigCommerce components should live on the predefined scale for the z axis. This keeps our component visual depth consistent and predictable across the entire UI.
| Token | Value | 
|---|---|
                            zIndex("lowest")
                         | 
                        5 | 
                            zIndex("lower")
                         | 
                        10 | 
                            zIndex("low")
                         | 
                        20 | 
                            zIndex("high")
                         | 
                        50 | 
                            zIndex("higher")
                         | 
                        100 | 
                            zIndex("highest")
                         | 
                        500 |