--- a/src/pyams_skin/resources/less/forms.less	Sat Feb 28 16:10:25 2015 +0100
+++ b/src/pyams_skin/resources/less/forms.less	Sat Feb 28 16:11:21 2015 +0100
@@ -1279,6 +1279,9 @@
 		-moz-appearance: none;
 		-webkit-appearance: none;
 
+		&[readonly] {
+			border-bottom: 1px solid #bdbdbd!important;
+		}
 		&.display-mode {
 			border: none;
 			padding: 0;