CSS Variables
| Variable | Default |
|---|---|
| --cupertino-pane-background | #ffffff |
| --cupertino-pane-color | #333333 |
| --cupertino-pane-shadow | #0 4px 16px rgba(0,0,0,.12) |
| --cupertino-pane-border-radius | #20px |
| --cupertino-pane-move-background | #c0c0c0 |
| --cupertino-pane-destroy-button-background | #ebebeb |
| --cupertino-pane-icon-close-color | #7a7a7e |