change the style of this button only...

Hello,

I'm sorry but our forum do not provide such kind of CSS support.
And even if we could ; with just an image and no link ; it would be impossible to know what you're talking about, the context, the classnames, etc.

But we do have a nice documentation which is talking about CSS basis : www.hikashop.com/support/documentation/1...the-display.html#css

Regards,

PS : When you create a subject in our forum ; it's best to provide the information that we're asking, like your HikaShop version number, website url (which can stay private) and so on.

Hello,

I understand the issue, the point is that your "Add to cart" and "Choose options" button have the same Class, and so like this it's impossible to use Css in order to create Css command that don't impact the "Add to cart".

Now you have a solution, via an override view (html & php knowledge required), you can add another Css class, in the "add_to_cart_ajax" view if you use the new ajax add to cart feature.
If you use the legacy mode, the view will be the "quantity_legacy".

Note : have a look on this documentation to see how to proceed an override view.

In your add_to_cart_ajax view around line 140, you will see this :