style(annotation): fix using system fonts without workaround

jslvtr · jslvtr · commit e4965cbfe818 · 2022-11-06T13:59:01.000Z
Also fix annotation style
diff --git a/course_contents/stylesheets/extra.css b/course_contents/stylesheets/extra.css
@@ -1,12 +1,15 @@
-:root {
-  /* use the system font stack */
-  --md-text-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
-}
-
 h1, h2 {
   font-weight: 800 !important;
 }
 
 h3 {
   font-weight: 600 !important;
+}
+
+.md-annotation__index [data-md-annotation-id]::before {
+  vertical-align: -0.05em;
+}
+
+.md-annotation__index::after {
+  margin: 0 -.35ch;
 }
diff --git a/mkdocs.yml b/mkdocs.yml
@@ -25,6 +25,7 @@ markdown_extensions:
 theme:
   name: material
   custom_dir: overrides
+  font: false
   features:
     - navigation.sections
     - navigation.tabs
