Ability to match style of default lovelace button

[shalak]

Is your feature request related to a problem? Please describe.
The default buttons, when rendered as squares use different padding than button-card with aspect_ratio: 1/1:

Without rendering as squared, and without setting aspect_ratio we get this:

("Novigrad" is button-card, the rest are vanilla button cards )

Describe the solution you'd like
Make it easily possible, to match the padding of icon and name of the vanilla button card for squares, as well height when they are not squares.

Describe alternatives you've considered
I tried using ADVANCED styling options, but with no luck

[viliks]

#861 is the same problem. I fixed it using card mod.

card_mod:
  style: |
    :host {
      height: 100%
    }
    ha-card {
      height: 100%;
    }