Better code highlighting config

mkdocs.yml

@@ -17,6 +17,7 @@ theme:
   features:
     - navigation.indexes
     - navigation.top
+    - content.code.copy
   logo: img/logo-bw.png
   favicon: img/favicon.ico
 extra_css:
@@ -47,6 +48,26 @@ markdown_extensions:
       emoji_generator: !!python/name:material.extensions.emoji.to_svg
   - pymdownx.highlight:
       anchor_linenums: true
+      line_spans: __span
+      pygments_lang_class: true
+  - pymdownx.arithmatex:
+      generic: true
+      block_tag: 'pre'
+  - pymdownx.inlinehilite:
+      custom_inline:
+        - name: math
+          class: arithmatex
+          format: !!python/object/apply:pymdownx.arithmatex.arithmatex_inline_format {kwds: {mode: generic}}
+  - pymdownx.superfences:
+      preserve_tabs: true
+      custom_fences:
+        - name: math
+          class: arithmatex
+          format: !!python/object/apply:pymdownx.arithmatex.arithmatex_fenced_format {kwds: {mode: generic, tag: pre}}
+
+extra_javascript:
+  - https://polyfill.io/v3/polyfill.min.js?features=es6
+  - https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js
 
 nav:
   - Home: index.md