diff --git a/assets/css/main.scss b/assets/css/main.scss
index 457bf2f..2e17523 100644
--- a/assets/css/main.scss
+++ b/assets/css/main.scss
@@ -60,6 +60,7 @@ hr {
 }
 
 pre {
+  background: black;
   padding: 1em;
 }
 
@@ -103,4 +104,4 @@ img {
 figcaption {
   text-align: center;
   opacity: 0.5;
-}
\ No newline at end of file
+}