On my website https://www.madame-gateau.be/test/ the header navigation is not working as it should.
There are 2 problems:
Can you help me out?
I hope you are well today and thank you for your question.
It seems you are using an older version of the theme on your website so please update it to the below latest version as described here https://support.shufflehound.com/updating-theme/
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Please clear your website and browser cache after updating the theme so that the latest js and CSS files will be loaded.