qfq-bs.css.less: decreased bottom margin of alert div.

less/qfq-bs.css.less

@@ -6,6 +6,10 @@
   z-index: 1000;
 }
 
+#qfqAlertContainer .alert {
+  margin-bottom: 2px;
+}
+
 /*inline elements in horizontal mode are too much left*/
 .form-horizontal .form-inline .form-group {
   margin: 0;