diff --git a/koha-tmpl/opac-tmpl/css/en/includes/opac.css b/koha-tmpl/opac-tmpl/css/en/includes/opac.css
index c71f7405ea..8a18eb9021 100644
--- a/koha-tmpl/opac-tmpl/css/en/includes/opac.css
+++ b/koha-tmpl/opac-tmpl/css/en/includes/opac.css
@@ -233,7 +233,7 @@ select {
 }
 
 /* used in members */
-#bloc20 {
+#bloc20, .bloc20 {
 	float:left;
 	width:30%;
 	border:0;
@@ -241,7 +241,7 @@ select {
 	margin-right:20px;
 	margin-bottom:20px;
 }
-#bloc60 {
+#bloc60, .bloc60 {
 	float:left;
 	width:60%;
 	border:0;