pop up image not showing

-- HikaShop version -- : 3.5.1
-- Joomla version -- : 3.8.12
-- PHP version -- : 5.6.38

Hello
In page product, the pop up image shows black rectangle. When I inspect the link, I see the picture. But the pop up is not showing it.

printscreen:
prntscr.com/kyd2vl

Thank you.

Hello,

Your issue seems to be coming from your template CSS, so using some CSS code like this will probably help you : For more information :
www.hikashop.com/support/documentation/1...the-display.html#css

Kind regards,
Mohamed Thelji

You are the best! Thank you!