Improve mobile responsiveness, more tailwind classes (#570)

* More tailwind classes

* Add prettier-plugin-tailwindcss

* More class replacement

* Update Card.svelte

* Remove tags from card

* Update header link

* Run format

tailwind.config.cjs

@@ -4,7 +4,9 @@
 const config = {
 	content: ['./src/**/*.{html,js,ts,svelte}'],
 	theme: {
-		extend: {}
+		container: {
+			center: true
+		}
 	},
 	plugins: []
 };