I can't close the lightbox, I don't see the close icon

Cool Image Magnifier can display the product images in full screen by using the lightbox effect and you can exit the full-screen image by clicking on the top right X icon.

However, the X icon is sometimes not visible. If you are logged in as an administrator, the close icon may be hidden by the Shopify admin bar.

Here's how it looks like without the admin bar (X icon is visible in the upper right corner):

And here's how it looks like with the admin bar (X icon is hidden):

NOTE: You can also hit the ESC key to close the full-screen image.