Merge branch 'MDL-62823' of https://github.com/NeillM/moodle

Author: David Monllao

filter/manage.php

@@ -202,7 +202,8 @@
 
     echo html_writer::table($table);
     echo html_writer::start_tag('div', array('class'=>'buttons'));
-    echo html_writer::empty_tag('input', array('type'=>'submit', 'name'=>'savechanges', 'value'=>get_string('savechanges')));
+    $submitattr = ['type' => 'submit', 'name' => 'savechanges', 'value' => get_string('savechanges'), 'class' => 'btn btn-primary'];
+    echo html_writer::empty_tag('input', $submitattr);
     echo html_writer::end_tag('div');
     echo html_writer::end_tag('div');
     echo html_writer::end_tag('form');