Change text color for reset password

How can I change the text color for the reset password label? It’s currently displayed in purple, and it’s very hard to read.

Password reset instructions have been sent to the email address associated with this account.

Where is this file located?

/usr/local/hestia/web/reset/index.php

What account did you change the password for? Is it possible to enable a dark theme?

I don’t want to use the dark them, but I noticed in Hestia demo they use dark theme for login page, but in the system they use flat theme!

Right click on the element and look at what is being used. Where the purple text is