The html page with tab code on the following link does not work on Brave when you copy the same code into an html and open with Brave. but works on Opera etc.
The problem is; when you click second and third tab, content should be visible, but when you copy the same code into an html and open with Brave, it does not work.
1.5.123 Chromium: 80.0.3987.163 (Official Build) (64-bit)
Windows 10