The banners are based on the control banner of desktop-de-18.
Acceptance Criteria
- In the variant banner, the sentence "Hat Wikipedia Ihnen in diesem Jahr Wissen im Wert von 5 € geschenkt?" is replaced by "Hat Wikipedia Ihnen in diesem Jahr Wissen im Wert einer Tasse Kaffee geschenkt?"
- The spacing around the close button as it was in desktop-de-17 is restored.