why does the cursor does not work in my browser

[KanishkarKarthik]

i am using ubuntu 20.04 lts and it bugs me that this cursor does not work in my browser.i am using brave browser to be exact .the default mouse cursor appears on my web browser ,sadly , i cannot attach any screenshots

[vinceliuice]

Only this theme not show on your browser?

[ThanhTrangPhan]

I have the same problem. The custom cursor works fine in chrome, but in brave, the default DMZ cursor shows up instead. All the other themes I have tried had the same problem