diff --git a/chrome/content/zotero-platform/mac/itemPane.css b/chrome/content/zotero-platform/mac/itemPane.css new file mode 100644 index 000000000..e69de29bb diff --git a/chrome/content/zotero-platform/win/itemPane.css b/chrome/content/zotero-platform/win/itemPane.css new file mode 100644 index 000000000..e69de29bb