Hello, Peter,
Please check our demo – https://xstore.8theme.com/elementor/demos/jewellery/product/diamond-ring-2/
1/ We do not see mentioned blinks, please clear the cache and check one more time. Provide us with a video of the problem. Let us know what browser do you use.
2/ Please try to use the next custom CSS code:
.single-product .product-360-popup .mfp-close {
width: 41px !important;
height: 41px !important;
left: unset;
z-index:9999 !important;
right: 10px !important;
background-color: #006ebb !important;
border-radius: 100px;
color:white;
}
.single-product .product-360-popup .mfp-close:before {
content: "\e90a" !important;
}
Thank you for your cooperation.
Kind Regards,
8theme team