Why is my fixed header not working on the Dawn theme 9.0?

Store Design

Topic summary

Main issue: The header background was made transparent successfully, but the user wants the header to be fixed (remain visible at the top while scrolling) in the Dawn theme 9.0 and cannot get it to work.

  • Attempts: Several online solutions were tried without success.
  • Context: Theme is Dawn 9.0; a “fixed header” means the header stays pinned as the page scrolls.
  • Access: Site is live and publicly accessible at www.sonictouch.de; no password required.
  • Status: Unresolved; no solutions or code changes provided yet. The user is seeking troubleshooting guidance.
Summarized with AI on January 26. AI used: gpt-5.
1

Hello, I wanted to make my Header Background Transparent Which actually worked well. Now i got the problem that i want to Fix my Header ( so it wont scroll down). I am Using the Dawn Theme 9.0. I have already tried several Online Solutions, which all didnt worked well.

my Website is: www.sonictouch.de

2

No password needed, the website is already online.