Feature Request: Improve User Interface (UI) for Navigation and Pet Cards

**Is your feature request related to a problem? Please describe.**

Yes, the current navigation bar and pet cards are not user-friendly.

* **Navigation bar:** It might be unclear or difficult for users to find the information they're looking for.
* **Pet cards:** The current design might not be presenting the information about the pets in a clear or easy-to-understand way.

**Describe the solution you'd like**

* Redesign the navigation bar to be more intuitive and easier to use. This could involve clearer labelling, better organization, or a more visual layout.
* Improve the design of the pet cards to make the information about the pets easier to read and understand. This could involve using larger fonts, clearer icons, or a more concise layout.

**Describe alternatives you've considered**

* We haven't explored specific alternatives yet, but this request is aimed at improving the overall user experience.

### Current UI