Dear Marcos Viedma,
You can add Module Class Suffix for the each of module. then style css for Module Class Suffix.
Please following the steps:
1. please go to your_site\modules\mod_sj_news_ajax_tabs\tmpl\default.php and find:
<div id="<?php echo $uniqueid; ?>" class="sj-ajax-tabs <?php echo $css_posiotion?>">
=>
<div id="<?php echo $uniqueid; ?>" class="sj-ajax-tabs <?php echo $css_posiotion ." ". $moduleclass_sfx;?>">
2. go to administrator -> extensions -> Module Manager: Module mod_sj_news_ajax_tabs -> Options -> Advanced Options -> Module Class Suffix: your_class_mod1
3. then go to your_site\modules\mod_sj_news_ajax_tabs\assets\css\ajax-tabs-color.css and add the code below at the end of this file:
div.your_class_mod1 .tabs-container ul.tabs li.selected .tab,
div.your_class_mod1 .tabs-container ul.tabs li:hover .tab{background:#3366CC; }
=> and change background:#3366CC; to background:your_color;
- and add:
div.your_class_mod1 .tabs-content{border-color: #3366CC; background-color:#FFFFFF;}
=> and change background-color:#3366CC; to background-color:your_color;
Thanks!