diff --git a/book.json b/book.json
index 803dde2..ca0f332 100644
--- a/book.json
+++ b/book.json
@@ -40,7 +40,7 @@
     "pluginsConfig": {
         "prism": {
             "css": [
-                "prism-themes/themes/prism-a11y-dark.css"
+                "prism-themes/themes/prism-base16-ateliersulphurpool.light.css"
             ]
         }
     }
--
libgit2 0.21.0