By default, we do not have this option. You can use the following function code. Please see the steps below:
Note: Make sure to have a complete site backup before proceeding
1. Go to Appearance – Theme Editor.
2. Under Select theme to edit, choose (BuddyBoss Child/whatever theme is active), then click Select.
3. Below Theme Files, select Theme Functions (functions.php).
4. Append the code just before the closing PHP tag “?>”:
function bb_login_custom_css() { ?> <style> #login > div.login-heading > span > a { font-size: 31px; /* Change this value to your desired font size */ } </style> add_action( 'login_enqueue_scripts', 'bb_login_custom_css');
5. Click Update File to save the changes.
Screenshots
Without Code:
With Code: