Improve component styling now that css-grid is fully supported

[jason-capsule42]

Please verify the version of auro-pane you have installed

No response

Please describe the bug

The component styles contains the following code:

@supports (display: grid) {
      display: grid;

      grid-template-columns: auto;
      grid-template-rows: 1.625rem 1.25rem;
    }

This can be cleaned up using https://caniuse.com/css-grid

Reproducing the error

None

Expected behavior

No response

What browsers are you seeing the problem on?

No response

Additional context

No response

Exit criteria

CSS styles use css grid

[blackfalcon]

@jason-capsule42 can you better describe what the actual bug is? Is there an issue with the Ui as presented to the user? Is this a code preference? Is the code not working as expected? Lastly, is this still an issue?

We need to determine if this is an actual bug or a performance update/tech-debt.