Additional styling for card view

[iamtompickering]

Whilst the card view is a great addition to Craft, I find myself not using it as much as I should. I think this is primarily because of the lack of customisation to the styling / layout of them.

I always find that if you are including various plain text / rich text fields, there's no hierarchy between them all. If there was the option to convert some fields into basic headings, or even just have the option to increase the font weight of some for example, I think it would help massively.

Maybe also having the option to change the size of the asset thumbnail when included as well? Just trying to think of different ways to adjust the layout for better UX but nothing toooooo crazy.