Index: chrome/browser/resources/pdf/elements/viewer-bookmark/viewer-bookmark.css |
diff --git a/chrome/browser/resources/pdf/elements/viewer-bookmark/viewer-bookmark.css b/chrome/browser/resources/pdf/elements/viewer-bookmark/viewer-bookmark.css |
index c723c370ae4916d79bcc0e51bc5ff9d88a2d93d4..a311ea3244c9b8cdf559192ce7ba62ad072cf722 100644 |
--- a/chrome/browser/resources/pdf/elements/viewer-bookmark/viewer-bookmark.css |
+++ b/chrome/browser/resources/pdf/elements/viewer-bookmark/viewer-bookmark.css |
@@ -33,6 +33,6 @@ |
width: 16px; |
} |
-#expand.open { |
+:host([children-shown]) #expand { |
transform: rotate(90deg); |
} |