diff --git a/chrome/content/zotero/hardConfirmationDialog.xhtml b/chrome/content/zotero/hardConfirmationDialog.xhtml
index 658b6431b9..ef87ba7092 100644
--- a/chrome/content/zotero/hardConfirmationDialog.xhtml
+++ b/chrome/content/zotero/hardConfirmationDialog.xhtml
@@ -34,6 +34,7 @@
 
 <window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
 		xmlns:html="http://www.w3.org/1999/xhtml"
+		id="zotero-hardConfirmationDialog"
 		title=""
 		onload="Zotero.HardConfirmationDialog.init(); sizeToContent();"
 		style="display: flex;">
diff --git a/chrome/skin/default/zotero/hardConfirmationDialog.css b/chrome/skin/default/zotero/hardConfirmationDialog.css
index b47a1b2858..c207ba3131 100644
--- a/chrome/skin/default/zotero/hardConfirmationDialog.css
+++ b/chrome/skin/default/zotero/hardConfirmationDialog.css
@@ -8,4 +8,8 @@
 
 #infoContainer {
 	margin-bottom: 6px;
+}
+
+#zotero-hardConfirmationDialog-textbox {
+	font-size: 12px;
 }
\ No newline at end of file