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Mystery Image
The Mystery Image Block for Gutenberg allows you to display a new image each time the page is loaded, adding an element of surprise and freshness to your website. It’s a simple yet engaging way to keep content dynamic and interactive for your visitors. The block also includes lightbox support, so users can view images in a larger format with ease. This block is available for free, making it a great addition to any WordPress site.
Adding the block
To add the block:
- Click the “+” button to add a new block.
- Search for “Mystery Image” and select it.
- For detailed instructions on how to add blocks in Gutenberg, please refer to the official WordPress Block Editor documentation.
General options
Add Images – After inserting the block, you can upload or select multiple images. Each time the page loads, a random image will be displayed from the set of added images.
Enable Lightbox – Toggle this option to allow the image to open in a lightbox when clicked.

Design options
Enable Overlay – Toggle this option to add an overlay effect on the image.
Overlay Background Color – Choose a background color for the overlay.
Icon Size (px) – Set the size of the overlay icon in pixels.
Overlay Icon Color – Pick a color for the overlay icon.
Overlay Icon – Select the icon that will appear on the overlay.

Lightbox Background Color – Choose a background color for the lightbox when the image opens.
Close Icon Color – Set the color for the close icon in the lightbox.
