Some query in magento 2 Algolia search

Hello,
I setup algolia search in my magento store . please check https://www.goldenscent.com link…this is our refrence site.in this also there is algolia search… i want this type of functionality, means top instance search like this link means i want only one search box on top header not to every category page. so please let me know it is possible to by some setting in admin or i have to customize some code for it.please check below link.
https://www.goldenscent.com
Thanks

Hi,

Can you specify what you want to remove exactly. I only see the search bar in top header on your website.

Best regards,
Julien