https://mcshelby.github.io/hugo-theme-relearn/cont/imageeffects/index.html The theme supports non-standard image effects. Name Description border Draws a light thin border around the image lazy Lets the image be lazy loaded lightbox The image will be clickable to show it enlarged shadow Draws a shadow around the image to make it appear hovered/glowing As described, you can add this to the URL query parameter, but this may be cumbersome to be done consistently for the whole page. Hugo en