A Couple of Corrections
#1
I noticed that the stylesheet for the Classic Theme - assets/classic.css - had incorrect information in the comment section at the top. After the version number it read: Beta (working copy). It was not the beta version, it was the final version. I have since removed that comment. If you have already downloaded this file, there is nothing you need to do. But if you want to, you can erase the erroneous information from your copy.
#2
I found a duplicate entry for a specific custom variable in the :root section of assets/nemesis-blue.css. It also had the wrong value. Fortunately the custom variable with the wrong value appears first, so the duplicate variable with the correct value takes precedence since it appears last. I have removed the duplicate custom variable and uploaded the corrected file. If you have already downloaded the Nemesis Blue stylesheet, you can just delete the duplicate custom variable: