Hello,

Please remove the earlier provided CSS in this regard and try the following ones on your Site.

Firstly, please try using the below Custom CSS code and paste it to Dashboard >> Theme Settings >> Custom CSS >> Global CSS section:

.popup-quick-view .entry-summary.text-left {
    --content-align: center !important;
}

Then please try using the below Custom CSS code and paste it to Dashboard >> Theme Settings >> Custom CSS >> Custom CSS for mobile section:

.popup-quick-view .wd-social-icons {
    text-align: center !important;
}

.popup-quick-view .label.cell {
    text-align: center !important;
}

.popup-quick-view .wd-swatches-product {
    justify-content: center !important;
}

Hope this helps !

Best Regards