Change from Transparent header to Black header when opening a product page

Shopify Discussion
1

Hello! I’d like to change from transparent header to black header when opening a product page

https://prestige-straps-the-finest-selection-of-watch-straps.myshopify.com/

Passwords: asd321

2

Hello, Kitchencrafted, good morning

Go to online store > themes > ‘…’ button > edit code

find the file ‘theme.liquid’ and, before the tag, add this:

{% if template contains 'product' %}

{% endif %}