PDFBOX-3350: switch to kramdown for markdown processing
diff --git a/_config.yml b/_config.yml
index ee0fc37..9b94f33 100644
--- a/_config.yml
+++ b/_config.yml
@@ -19,8 +19,4 @@
 markdown_ext: "markdown,mkdown,mkdn,mkd,md,mdtext"
 
 encoding: UTF-8
-markdown: redcarpet
-
-redcarpet:
-    extensions: ["no_intra_emphasis", "tables", "autolink", "strikethrough", "with_toc_data"]
-
+markdown: kramdown
\ No newline at end of file
diff --git a/content/css/site.css b/content/css/site.css
index b061d36..78007c5 100644
--- a/content/css/site.css
+++ b/content/css/site.css
@@ -77,7 +77,7 @@
     fill: #0088cc;
 }
 
-.highlight > pre {
+pre.highlight, .highlight > pre {
     color: darkslategrey;
     border: 0pt;
     border-radius: 0pt;