Link to slides to page

From the FAQ: “When you select an image from the Media Library, in the right columns, under ‘ATTACHMENT DISPLAY SETTINGS’, you can set the ‘Link To’ option to ‘Custom URL’ and then specify the URL in the field below.”

This is what I did, but as I wrote above linked image does not display right.

You need to set ‘Link To’ to ‘Custom URL’, not ‘Media File’. It works fine for me.

I linked to ‘Custom URL’ this is not the problem, the problem is that the images become transparent and lose their dimensions

Hard to tell what happens in your setup without a link to the page and without knowing if it happens only in the page or also in the admin preview.

Here a link:
https://tupperware-il.co.il/test

and it working good on the admin preview, the images look as they should look

Well, if it works well in the preview, it means it’s a problem caused by the theme. This is always important to check.

Looking at your link I can confirm that. Your theme applies some CSS to all images from the page that have a link attached. You can prevent that in the accordion by adding some custom CSS to override the theme’s CSS:

.accordion-slider img {
    opacity: 1 !important;
}

I can also see some elements being added in the accordion’s HTML markup. This is probably done by the theme as well. I can give you some CSS to prevent it as well, but for a real fix you should address the theme’s author.

.accordion-slider br {
    display: none;
}

Thanks for the great help