Update mkdocs configuration

docs/stylesheets/mkdocstrings.css

@@ -1,6 +1,12 @@
 /* Indentation. */
 div.doc-contents:not(.first) {
     padding-left: 25px;
-    border-left: 4px solid rgba(230, 230, 230);
-    margin-bottom: 80px;
+    border-left: 0.2rem solid var(--md-typeset-table-color);
+}
+
+/* Prevent selection of prompt and output from Python console code blocks */
+.language-pycon .gp,
+.language-pycon .go {
+    /* Generic.Prompt, Generic.Output */
+    user-select: none;
 }

mkdocs.yml

@@ -11,28 +11,26 @@ theme:
     - navigation.sections
 markdown_extensions:
   - admonition
-  - codehilite
+  - pymdownx.highlight:
+      pygments_lang_class: true
   - pymdownx.superfences:
-      # Allows us to use mermaid and codehilite together
-      # https://stackoverflow.com/questions/61638740/exclude-mermaid-code-blocks-for-highlighting-with-codehilite-mkdocs
       custom_fences:
         - name: mermaid
           class: mermaid
-          format: !!python/name:pymdownx.superfences.fence_div_format
-  - pymdownx.tabbed
+          format: !!python/name:pymdownx.superfences.fence_code_format
+  - pymdownx.tabbed:
+      alternate_style: true
 extra_css:
   - stylesheets/mkdocstrings.css
 plugins:
   - search
-  - mermaid2:
-      version: 8.6.4
+  - autorefs
   - mkdocstrings:
       handlers:
         python:
-          selection:
-            filters:
-              - '!^_' # exlude all members starting with _
-              - '^__init__$' # but always include __init__ modules and methods
+          options:
+            show_root_toc_entry: false
+            show_signature_annotations: true
           setup_commands:
             - import os
             - import django