You may edit the qa-theme.php file inside of Snowflat folder.
Search for the public function head_css()
Then, you can add extra css.
$this->output('<link rel="stylesheet" href="https://mysite.com/qa-theme/Angel/css/my_custom_style.css">');
Welcome to the Q&A site for Question2Answer.
If you have a question about Q2A, please ask in English.
To report a bug, please create a new issue on Github or ask a question here with the bug tag.
If you just want to try Q2A, please use the demo site.
May 7, 2020: Q2A 1.8.4 released!