Ello! can someone check my code and see what makes my header menu bold?
would like to snippets to make it bold and not bold to have options! maybe a snippet to edit it more like font size etc aswell! Hit me up 
site: readytovintage.com
Hi @VintBazar
You can try this code by following these steps:
Step 1: Go to Online Store->Theme->Edit code.
Step 2: Search file theme.liquid
Step 3: Paste the below code at the bottom of the file → Save
Hope my solution works perfectly for you!
Best regards,
Oliver | PageFly