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Add a Lightbox Display to the Gallery Block

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This feature is on the Configuration screen in Advanced Gutenberg. This will modify the default “Gallery” block in WordPress.

  • Open galleries in lightbox: This will automatically add a lightbox display to images in the “Gallery” block.
  • Image caption: This feature will automatically take the ALT text for an image and show it as captions for images in lightboxes.

Add a “Gallery” block to your content:

Even though a “lightbox” setting isn't visible, you will be able to click on any image in the gallery and see it in a lightbox:

WordPress allows you to add ALT text to images, using this setting in the Media Library:

This ALT text will appear as a caption below the lightbox image:

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