and how exactly do I insert the code here? 

Hello everyone, I would like to change my icon in the announcement bar.The arrow is to be replaced by a transport trolley. I have already uploaded the icon for this in my files.Many thanks in advance

Perfect. That works great. But unfortunately the width also adjusts in mobile mode. There, however, everything should remain as it was before. 

I have placed it in the asset folder "base.css" at the end of the file.But unfortunately it does not take over the policies: 

www.betonkomplex.de

how can i give you anonymous access?

Hello everyone,I would like to adjust the page width of my policies because it is so small in destop mode.Can someone help me and tell me where I can adjust this in the code.Many thanks in advance