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up vote 4 down vote favorite

I'm wondering how to unset CSS that has been set through the XML, for example:

<block class="Magento\Framework\View\Element\Template" name="navigation.sections" before="-" template="Magento_Theme::html/sections.phtml">
    <arguments>
        <argument name="group_name" xsi:type="string">navigation-sections</argument>
        <argument name="group_css" xsi:type="string">nav-sections</argument>
    </arguments>
</block>

That code is from the Magento Theme module. I would like to remove the group_css argument in my own theme, I do not want .nav-sections to be added to by markup.

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up vote 3 down vote accepted

What about using the magic setter ?

<referenceBlock name="navigation.sections">
    <action method="setGroupCss">
        <argument name="group_css" xsi:type="string"></argument>
    </action>
</referenceBlock>

Or even better, I'm pretty sure you can use :

<referenceBlock name="navigation.sections">
    <action method="unsGroupCss" />
</referenceBlock>

Alternative without using the action tag:

<referenceBlock name="navigation.sections">
    <arguments>
        <argument name="group_css" xsi:type="string"></argument>
    </arguments>
</referenceBlock>
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1  
Hmmm I used a modified version of your first version, I remember reading that we shouldn't use action if the same result can be achieved through arguments. So I replaced your action method with arguments and it worked a treat, thank you. – Ben Crook Jun 2 '16 at 14:54
1  
@Ben-Space48 yeah good point I think the action tag is going to be deprecated at some point, I've updated my answer to reflect what you pointed out – Raphael at Digital Pianism Jun 2 '16 at 15:07

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