Adding a background image to my header on debut theme, behind logo

[ahana165]

How can I add a background image to my header on Shopify’s debut theme, right behind the logo?

I’m comfortable with modifying code.

my shopify url:

https://bazaarify-505.myshopify.com/

https://bazaarify.net/

[Zworthkey]

Check out this type.

I hope it will be helpful for you

[ahana165]

It’s not working

[Zworthkey]

same code exact not work.
I think you are family to do coding so That I have given suggestion.
only do like that.

Thank you.