How can I add custom css classes to quick tabs and nested tabs within quick tabs?

  • Why do you need additional classes, can you not target using .parent .child element CSS selectors? Feb 4, 2013 at 10:32
  • I am using an instance of Quick Tabs within Quick Tabs so both the parent and the child are given the same class by Drupal.
    – why
    Feb 4, 2013 at 10:39
  • Yes, but you can do things with CSS like .quicktabs ul .quicktabs ul{ background-color:red } /* target child container */ Feb 4, 2013 at 10:43
  • i tried...but the change is reflecting on all of them
    – why
    Feb 4, 2013 at 11:49

2 Answers 2


Have you read this issue. Try to apply the patch by using git apply command line :

$ git apply --directory=path/to/module-dir/ add-custom-class-656330-6.patch

If you don't use git, add this line in the theme_qt_quicktabs_tabset function near the line 589 on the quicktabs.module file and the function will become :

function theme_qt_quicktabs_tabset($vars) {
   if ($key == $vars['tabset']['#options']['active']) {
     $item['class'] = array('active');
   $item['class'][] = drupal_html_class($tab['#title']);# new line added by the patch
   $item['data'] = drupal_render($tab);
   $variables['items'][] = $item;

of course WITHOUT the <?php ?> tags

After that you have the title in class attributes :

Example :

  • tab title => given tab title
  • automatic tab class => given_tab_title

Wish helps :)


Another option is the Block Class module. After enabling, you can add a class when configuring the block for the quicktabs instance, as well as any blocks included in your quicktabs instance.

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