change header background

templates/html.tpl.php

@@ -79,7 +79,7 @@
 
     	<style type="text/css" id="twentythirteen-header-css">
     			.site-header {
-    			<!--[background: url(<?php echo $GLOBALS['base_url'].'/'.drupal_get_path('theme', 'bipaa');?>/images/bipaa/cropped-Bando-BIPAA.png) no-repeat scroll top;-->
+    			[background: url(<?php echo $GLOBALS['base_url'].'/'.drupal_get_path('theme', 'abims');?>/images/abims/header_abims.png) no-repeat scroll top;-->
     			background-size: 1600px auto;
     		}
     		@media (max-width: 767px) {