chore(style): enhance not-prose elements styling (#163)

* chore(css): improve not-prose tags styling

* fix: typo

* chore(style): improve appearance in prose

* feat: support icon in callout shortcode

* chore: add RSS badge to blog list page

* chore: run build:css

* chore: run build:css

* chore: remove unused CSS

* chore: add footer.enable explicitly to config

* chore: use `where` pseudo class for more prose elements

* chore: run build:css

* chore: remove blank space

* chore: rebuild css

* chore: update figure css

exampleSite/hugo.yaml

@@ -115,6 +115,7 @@ params:
     displayToggle: true
 
   footer:
+    enable: true
     displayCopyright: true
     displayPoweredBy: true
     width: normal