Hi

I notice a CSS error on my site using 6.11.5 then cjeck this site b2evolution.net and noted 10.

This is the link to the b2evo site https://jigsaw.w3.org/css-validator/validator?uri=https%3A%2F%2Fforums.b2evolution.net%2F&profile=css3svg&usermedium=all&warning=1&vextwarning=&lang=en

The only error on 6.11.5 is

Sorry! We found the following errors (1)
URI : https://calstock.org.uk/rsc/build/b2evo_base.bmin.css?v=6.11.5-stable-2020-02-11
1 Unknown error org.w3c.css.parser.analyzer.ParseException: Deprecated media feature “max-device-width”. For guidance, see the Deprecated Media Features section in the current Media Queries specification.