diff --git a/src/assets/css/index.scss b/src/assets/css/index.scss
index e545a68..d2171cc 100644
--- a/src/assets/css/index.scss
+++ b/src/assets/css/index.scss
@@ -406,8 +406,9 @@ pre[class*="language-diff-"] {
     left: unset;
     height: unset;
     width: 100%;
-    max-width: unset;
+    max-width: 50rem;
     padding-left: 0;
+    margin: 0 auto;
   }
   .nav-right {
     width: 100%;