diff --git a/_config.yml b/_config.yml
index 891f74a..2b84fb6 100644
--- a/_config.yml
+++ b/_config.yml
@@ -17,6 +17,11 @@ collections:
   projects:
     output: true
 
+kramdown:
+  syntax_highlighter: coderay
+  syntax_highlighter_opts:
+    line_numbers: inline
+
 include:
   - node_modules
 
@@ -24,6 +29,8 @@ plugins:
   - jekyll-feed
   - jekyll-redirect-from
   - flexible_include
+  - jekyll-d2
+  - kramdown-syntax-coderay
 
 
 feed: