diff --git a/assets/css/main.css b/assets/css/main.css
index b504141..ea16bca 100644
--- a/assets/css/main.css
+++ b/assets/css/main.css
@@ -2,7 +2,9 @@
 sitemap: false
 ---
 
-@import url(gh-dark.css) * {
+@import url(gh-dark.css);
+
+* {
   color-scheme: light dark;
 }
 
@@ -135,6 +137,10 @@ pre.highlight:hover .copy {
   width: 0.7em;
 }
 
+pre {
+  overflow: auto;
+}
+
 pre, code {
   font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
     "Courier New", monospace;