fix margin of form submit in tables

includes/pages/admin_arrive.php

@@ -102,7 +102,7 @@ function admin_arrive()
             form_hidden('user', $usr->id),
             form_submit(
                 'submit', $usr->state->arrived ? __('reset') : __('arrived'), 'btn-xs', true,
-                $usr->state->arrived ? 'danger' : 'primary'
+                $usr->state->arrived ? 'default' : 'primary'
             ),
         ]);
 

resources/assets/themes/base.less

@@ -51,6 +51,10 @@ table a > .icon-icon_angel {
   background-color: @text-color;
 }
 
+.table .form-group {
+	margin-bottom: 0;
+}
+
 .stats {
   .make-md-column(3);
   .make-xs-column(6);