Clean up CSS

- Add vim folds to make organized sections
- Rename a lot of classes from post- to page-
- Generalize series CSS classes better
- Clean up navbar div structure
- Remove langpicker and most of multilingual support
- many other minor tweaks

layouts/_default/_markup/render-heading.html

@@ -1,7 +1,7 @@
-<h{{ .Level }} id="{{ .Anchor | safeURL }}" class="section-header">
+<h{{ .Level }} id="{{ .Anchor | safeURL }}" class="section-heading">
     {{ .Text | safeHTML }}
-    <a href="#{{ .Anchor | safeURL }}">
-        <span class="section-header-link" aria-label="{{ i18n "aria_header_link" }}">
+    <a class="heading-link" href="#{{ .Anchor | safeURL }}">
+        <span aria-label="{{ i18n "aria_heading_link" }}">
             {{ partial "icon.html" "link" }}
         </span>
     </a>

layouts/_default/baseof.html

@@ -10,9 +10,7 @@
 
         <a id="top" name="top" aria-hidden="true"></a>
 
-        <div class="top">
-            {{ partial "top.html" . }}
-        </div>
+        {{ partial "top.html" . }}
 
         {{ if not .IsHome }}
             {{ partial "breadcrumb.html" . }}

layouts/_default/list.html

@@ -9,7 +9,7 @@
         {{ . }}
     {{ end }}
 
-    <div class="list-page-content">
+    <div class="list-page-container">
         {{ with .Sections }}
             <div class="sections">
                 {{ range . }}

layouts/_default/single.html

@@ -1,12 +1,12 @@
 {{ define "main" }}
-    <div class="post-title">
+    <div class="page-title">
         <h1>
             {{ .Title | markdownify }}
             {{ if .Draft }}{{ partial "icon.html" "write" }}{{ end }}
         </h1>
     </div>
 
-    {{ partial "post-metadata/full.html" . }}
+    {{ partial "page-metadata/post-full.html" . }}
     {{ partial "series-box.html" . }}
 
     {{ if .Params.Toc }}

layouts/_default/summary.html

@@ -1,10 +1,10 @@
-<h2 class="post-title">
+<h2 class="page-title">
     {{ with .Parent.Params.icon }}{{ partial "icon.html" . }}{{ end }}
-    <a href="{{ .Permalink }}">{{ .Title | markdownify }}</a>
+    <a class="heading-link" href="{{ .Permalink }}">{{ .Title | markdownify }}</a>
     {{ if .Draft }}{{ partial "icon.html" "write" }}{{ end }}
 </h2>
 
-{{ partial "post-metadata/short.html" . }}
+{{ partial "page-metadata/post-short.html" . }}
 
 {{ with .Resources.GetMatch "feature" }}
     <div class="post-media">
@@ -12,7 +12,7 @@
     </div>
 {{ end }}
 
-<div class="post-description">
+<div class="page-description">
     {{ partial "description-or-summary.html" . }}
 </div>