Why is my jquery not working in this case?

https://jsfiddle.net/hbjLbwdo/

I can't understand at all... When I put in a console.log test I can detect the presence of the element but I can't format it.

thanks in advance
badwolfffAsked:
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hieloCommented:
$('h2.priceUpdate:has("i.mfcustom-icon-twopay")').css({'margin':'-10px 0 15px -10px','color':'#E02725'});

:contains() works on "plain text" only, not html markup within the element.
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Alexandre SimõesManager / Technology SpecialistCommented:
First thing you were not importing jquery so you had an error in the console saying $ is not found.
Second thing, your selector can be way more simple.

Here's the modified working sample:
https://jsfiddle.net/AlexCode/hbjLbwdo/4/
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