JS and CSS to cms page

[johnny_loki]

So guys I've been trying to add something like this http://www.w3schools.com/howto/howto_js_tabs.asp to a cms page in my shop, the thing is that even after editing the cms.tpl when adding the HTML code in the editor and try to save I get an error saying "the content field is invalid" so I gave up this code and tried adding this https://www.prestashop.com/forums/topic/170472-tutorial-tabs-for-cms-content/ but even so when I try to locate the blockcms css folder it's not in the blackhawk theme I am using not even in the default-bootstrap.

 

Any Ideas?

[johnny_loki]

So I managed to find out what's going on I used the code from here http://www.w3schools.com/howto/howto_js_tabs.asp, first I had use this https://www.prestashop.com/forums/topic/273632-solved-cant-add-an-iframe-in-cms-page-155/ as angrycat suggested and then add the style to the cms.css simple as that and ofc I had to turn on the iframes from general.

 

 

In prestashop\classes\Validate.php

line 392  At 

public static function isCleanHtml($html, $allow_iframe = false)
 

comment out this code

/*
        if (preg_match('/<[\s]*script/ims', $html) || preg_match('/('.$events.')[\s]*=/ims', $html) || preg_match('/.*script\:/ims', $html))
            return false;

        if (!$allow_iframe && preg_match('/<[\s]*(i?frame|form|input|embed|object)/ims', $html))
            return false;
*/