Thank you premonitiondesign!
Great! This is a workaround. A bit cumbersome but working.
Do more on the web, with a fast and secure browser!
Download Opera browser with:
My developer Browser is Opera. He is smart and fast. Only problem I have:
What is the Shortcut to refresh the style-sheet? I don't want to remove all Browsing Data, each time changing my Style-Sheet.
Also the trick to add in your headers something like:
<link rel="stylesheet" href="../style/blog.css?d=2345" type="text/css" media="Screen" />
is not acceptable for me.
Thank you for your help and best wishes for the still New Year 2017