reinstate rotate the external link icon (#347)

Author: recrwplay

preview-src/index.adoc

@@ -737,8 +737,8 @@ For more information, see the link:/ops-manual[Operations Manual^]
 *Text that link to www.example.com*
 
 . Text link:#test-links[anchor to test links] text text.
-. Text link:www.example.com[www.example.com] text text.
-. Text link:www.example.com[`mono space`] text text.
+. Text link:https://www.example.com[www.example.com] text text. (note that link is marked as external because of `https://`)
+. Text link:www.example.com[`mono space`] text text. Note that this link is not marked as external.
 . Text `link:www.example.com[mono space]` text text.
 
 

src/css/doc.css

@@ -1376,6 +1376,7 @@ body {
   display: inline-block;
   margin: 0 0.2rem;
   content: "→";
+  transform: rotate(-45deg);
   color: var(--link-font-color);
   transition: all 0.2s linear;
   top: 0;