gdm: add prelight to Not Listed? button

The prelight makes it clearer that the button is
clickable, and makes it more consistent with other
clickable parts of the dialog.

https://bugzilla.gnome.org/show_bug.cgi?id=659763

diff --git a/data/theme/gdm.css b/data/theme/gdm.css
index 83a09c1f7264a598af1b95c15c4f7faf5c13fa16..b6a7e8c69cc8d0c07a517b705f2cc17d88ad48d3 100644 (file)
--- a/data/theme/gdm.css
+++ b/data/theme/gdm.css
@@ -98,6 +98,10 @@
     color: #666666;
 }
 
+.login-dialog-not-listed-button:hover .login-dialog-not-listed-label {
+    color: white;
+}
+
 .login-dialog-prompt-layout {
     padding-bottom: 32px;
 }