diff --git a/src/styles.js b/src/styles.js
index 2ab2c66..14e9667 100644
--- a/src/styles.js
+++ b/src/styles.js
@@ -1,10 +1,10 @@
 export default `
+details, summary {
+  display: block;
+}
 details:not([open]) > *:not(summary) {
   display: none;
 }
-details > summary {
-  display: block;
-}
 details > summary::before {
   content: "►";
   padding-right: 0.3rem;