By default, the BuddyBoss Theme does not have this option. You can use the following CSS code:


Please follow the steps below:


    1. Go to BuddyBoss - Theme Options

    2. Under Custom Codes, enable CSS

    3. Append the following:


body.activity .bb-modal-overlay {
    background-color: #000000;
}

Change hex to desired color or use RGBA value to add transparency.


    4. Save changes.


Note: Any modifications are considered as custom work already. Know more about our Support policy here: https://www.buddyboss.com/support-policy/

Screenshots


Without Code:


With Code: