How can I make the header of my Dawn theme transparent?

Store Design
1

I want header of my store to be transparent. this should appear on home page thanks!!!

I will really appreciate your help.

store url

https://bluevioletcandles.com/

2

I have already solved this issue

https://jotting.com/shopify/how-to-make-dawn-theme-header-transparent

3

The solution is here

https://jotting.com/shopify/how-to-make-dawn-theme-header-transparent

4

I am getting stuck on changing the “Change The Details Tag”.

I cannot find the two detailed changes in the coding? 1. Change The Details Tag 2. Change The Details-Modal Tag (I cannot find these in my assets, templates or themes)

Please help!

5

For people who want to spare the headaches of making the background transparent, check the video for way simpler steps and just a few lines of code.