# Lightbox does not respect image size - you get big & fuzzy

**URL:** <https://forums.realmacsoftware.com/t/lightbox-does-not-respect-image-size-you-get-big-fuzzy/52734>\
**Category:** Elements\
**Created:** [November 24, 2025, 1:15pm UTC](https://forums.realmacsoftware.com/t/lightbox-does-not-respect-image-size-you-get-big-fuzzy/52734 "2025-11-24T13:15:12Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![jbob](https://dub1.discourse-cdn.com/flex005/user_avatar/forums.realmacsoftware.com/jbob/32/31581_2.png) [@jbob](https://forums.realmacsoftware.com/u/jbob)\
**Post date:** [November 24, 2025, 1:15pm UTC](https://forums.realmacsoftware.com/t/lightbox-does-not-respect-image-size-you-get-big-fuzzy/52734/1 "2025-11-24T13:15:12Z")

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Hi - my images are blown up via lightbox to a size that makes them fuzzy

My images are 800px across. I want them to expand and show to this size … I do not want them blown up to a fuzzy 1200px across !!

Surely lightbox requires an image size target / limiter in order to operate correctly?

Indeed some people want full-page lightbox images that are super sharp. Not me - I want a sharp image that respects the resolution of the image provided - moderately sized but sharp.

Otherwise - my (intentionally smaller) sharp images are blown up to big fugly fuzzy images

Lightbox needs a target image size to expand to, no ?

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**Author:** ![upssjw](https://dub1.discourse-cdn.com/flex005/user_avatar/forums.realmacsoftware.com/upssjw/32/26063_2.png) [@upssjw](https://forums.realmacsoftware.com/u/upssjw)\
**Post date:** [November 24, 2025, 1:22pm UTC](https://forums.realmacsoftware.com/t/lightbox-does-not-respect-image-size-you-get-big-fuzzy/52734/2 "2025-11-24T13:22:35Z")

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apologies if you already know the dark mode needs resolving, I am always in dark mode so I notice this straightaway

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**Author:** ![jbob](https://dub1.discourse-cdn.com/flex005/user_avatar/forums.realmacsoftware.com/jbob/32/31581_2.png) [@jbob](https://forums.realmacsoftware.com/u/jbob)\
**Post date:** [November 24, 2025, 1:29pm UTC](https://forums.realmacsoftware.com/t/lightbox-does-not-respect-image-size-you-get-big-fuzzy/52734/3 "2025-11-24T13:29:19Z")

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Yes - it’s kind of next on my list. I did start doing this Steve - but found that my ‘light’ settings were also being changed … so I had to change them all back and then lost the will to keep my blood circulating. Are there problems with dark mode - or perhaps am I just not understanding it right ?

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**Author:** ![upssjw](https://dub1.discourse-cdn.com/flex005/user_avatar/forums.realmacsoftware.com/upssjw/32/26063_2.png) [@upssjw](https://forums.realmacsoftware.com/u/upssjw)\
**Post date:** [November 24, 2025, 3:14pm UTC](https://forums.realmacsoftware.com/t/lightbox-does-not-respect-image-size-you-get-big-fuzzy/52734/4 "2025-11-24T15:14:28Z")

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this explains how to setup light and dark

[![](https://europe1.discourse-cdn.com/flex005/uploads/realmacsoftware1/original/3X/1/8/18bd1645bca97ea9f6090dce15c21095d22a99ea.jpeg "Setting Light and Dark Mode for your Website") ](https://www.youtube.com/watch?v=-Ma5OBAbXbk)