I get Error Code 15 (This request was blocked by the security rules). I have added HTML code in the past with no problems.
This usually means you have security or protection software installed that is blocking page content it considers insecure or risky. It could be anti-virus or anti-malware, but also possibly something in your network gateway.
You'll either need to write code it finds acceptable, or configure it to allow your code.
Using the stylesheet with CSS instead of javascript works, So I am not investigating why this used to work and doesn't anymore. Possibly this will become a problem again in the future and then I'll look at what protection software we have.
Thanks
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