Custom rating image hides after update 7.0.7

Hi, in site in function.php inserted custom image code for stars and before it worked fine for me. Updated to new code as I see it same, just added error and half code for images, and still no result, my heart images disaperead, how I can back them? as you can see in review part in site bottom.

All code and new images url is shown in CSS and inspector, but no image outside. Thanks. (Migration button pushed)

The page I need help with: [log in to see the link]


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