add \guilabel macro to mark labels that occur in user interfaces
diff --git a/Doc/html/style.css b/Doc/html/style.css
index f585744..33a1380 100644
--- a/Doc/html/style.css
+++ b/Doc/html/style.css
@@ -123,7 +123,7 @@
.newsgroup { font-family: avantgarde, sans-serif; }
.url { font-family: avantgarde, sans-serif; }
.file { font-family: avantgarde, sans-serif; }
-.menuselection { font-family: avantgarde, sans-serif; }
+.guilabel { font-family: avantgarde, sans-serif; }
.tableheader { background-color: #99ccff;
font-family: avantgarde, sans-serif; }