Updated login form bkgrnd

forms/common-themes/src/main/resources/theme/login/keycloak/resources/css/styles.css

@@ -25,4 +25,8 @@ a.button.btn-primary {
     background-image: -ms-linear-gradient(top, #1f97d8 0%, #1280bc 100%);
     background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0, #1f97d8), color-stop(1, 0, #1280bc));
     border-color: #005e91;
-}
+}
+
+.kc-login-register p.powered a {
+    color: #ccc;
+}