dark mode octocat icon on COVID post (and fix AMP errors)

https://search.google.com/search-console/amp/drilldown?resource_id=https%3A%2F%2Fjarv.is%2F&item_key=GhUIIhADIgNpbWciB2FtcC1pbWcolk4&hl=en&sharing_key=jrQsA5DhNhUqwYxUooGbfw

layouts/_default/single.amp.html

@@ -250,7 +250,9 @@
         on <a class="date" href="{{ (.OutputFormats.Get "html").Permalink }}">{{ .Date.Format "January 2, 2006" }}</a>
       </p>
 
-      {{ .Content }}
+      <div id="content">
+        {{ .Content }}
+      </div>
     </article>
 
     <footer>

layouts/partials/head/styles.html

@@ -3,10 +3,9 @@
 
 {{/* Page-specific styles set via front matter, scoped via SCSS */}}
 {{ with .Params.css }}
-  {{- $sass := printf "div#content { %s }" . }}
   {{- $target := path.Join $.File.Dir "css/inline.min.scss" }}
 
-  {{- $css := $sass | resources.FromString $target | resources.ToCSS | resources.PostCSS (dict "config" "postcss.config.js") | resources.Fingerprint "sha256" -}}
+  {{- $css := . | resources.FromString $target | resources.ToCSS | resources.PostCSS (dict "config" "postcss.config.js") | resources.Fingerprint "sha256" -}}
 
   <link rel="stylesheet" href="{{ $css.Permalink }}">
 {{ end }}