#158 update event show animation

[Kreezag]

Update events adding/deleting animation

• polish classnames for typed event-card
• update styles of shared even-card animation

https://github.com/buggregator/frontend/assets/13301570/bc4b887e-f99d-460f-9e5a-cf029d60d371

close #158

[Kreezag]

@roxblnfk could you please check the result.