Add more padding around blockquotes

[dkniffin]

Summary

On the code.gov homepage, I noticed this

Test plan (required)

I have not tested this locally, but I did tweak these values in the browser's devtools and now it looks like this:

Note: I am not very familiar with this project, so I have no idea where or how else this style gets used. It may break something somewhere else.

[saracope]

Thanks, @dkniffin! This definitely needed updated. I'll test locally with the code-gov-front-end project.

[saracope]

Looks good on desktop, but ends up too far out on mobile:

[saracope]

Merging this as-is and will add a new issue to fix the mobile view. Thanks!

[dkniffin]

Thanks! Sorry, I haven't had time between other things to take another look at this.