Is it possible to style the popup that comes with react-leaflet.js.org? I've been hacking away with the styles but can you get ui templates for the popup/ or what is the correct way to totally change how the popup looks?

**Code snippet**

```
<Marker
    key={message._id}
    position={[message.latitude, message.longitude]}
    icon="">

      <Popup className="request-popup">
        <p>...</p>
        <p>...</p>
    </Popup> 
</Marker>

```

I would like to style the popup to look something like the following 

[![desired popup design](https://i.stack.imgur.com/muDY2.png)](https://i.stack.imgur.com/muDY2.png)

Thanks,