More style updates

[skalnik]

Style updates are nonstop. I added a small amount of padding on the main container so that the new descriptors don't hit the edges.

Before:

After:

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[skalnik]

I simplified the footer too. I figure we already have links to PurpleAir and GitHub, so we don't need additional ones, but perhaps that's too hasty?

[obra]

100% agree on the padding. Thanks for beating me to it. I feel like we do want explicit links to GitHub and PurpleAir.

[skalnik]

Cool, I went ahead and re-added those links.

I also did some small markup changes:

1. I replaced <b> with <strong>. Functionally they're the same, but <strong> is preferred since it denotes "strong emphasis" over b which just denotes "bold" and HTML isn't supposed to specifically denote appearance. How much this actually matters in use, I'm unsure, but it's the better practice from my understanding
2. I adjusted the indentation.

[obra]

How about

[obra]

(Sorry, was off prototyping. I hear you on my horrible gen-x html use of instead of strong ;) Keep hassling me if I keep doing it.

[skalnik]

I like that! Seems both shorter but retains all the link!

[obra]

        Made with &#10084;&#65039; by <a href="https://skalnik.com">@skalnik</a> &amp; <a href="https://github.com/skalnik/aqi-wtf/graphs/contributors">friends</a> &bull; <a href="https://github.com/skalnik/aqi-wtf/">Code</a> &bull; <a href="https://purpleair.com">Data</a> &bull; <a href="/privacy.html">Privacy</a>

[skalnik]

I'm always happy to keep hassling, but I gotta notice and remember myself!

[obra]

Looks great.