diff --git a/src/client/theme-default/styles/base.css b/src/client/theme-default/styles/base.css
index 9b6044ed..bb810db7 100644
--- a/src/client/theme-default/styles/base.css
+++ b/src/client/theme-default/styles/base.css
@@ -107,6 +107,10 @@ samp {
   font-family: var(--vp-font-family-mono);
 }
 
+pre {
+  overflow-x: auto;
+}
+
 img,
 svg,
 video,