configure so external links alwasy have up-right arrow and open in a new tab

Author: marionbarker

docs/stylesheets/extra.css

@@ -1,3 +1,15 @@
+/*
+ * Materialize links that open in a new window/tab with a right-up arrow icon
+ */
+ .md-main a[target="_blank"]::after,
+ .document a[target="_blank"]::after {
+   content: "↗";
+   display: inline-block;
+   margin-left: 0.2em;
+   width: 1em;
+   height: 1em;
+ }
+
 /* Custom styles to override MkDocs defaults and enhance theme */
 
 /* Unordered list <ul> symbols:

mkdocs.yml

@@ -81,6 +81,7 @@ extra_javascript:
     - https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js
 
 plugins:
+    - open-in-new-tab
     - search
     - htmlproofer:
         enabled: !ENV [CHECK_BROKEN_LINKS, False]