diff --git a/docs/src/index.css b/docs/src/index.css
index e044b029dbd..c237ea0654b 100644
--- a/docs/src/index.css
+++ b/docs/src/index.css
@@ -18,4 +18,5 @@ summary {
   margin-bottom: 0.15em;
   font-family: sans-serif;
   cursor: pointer;
+  width: fit-content;
 }