# Blur behind lightbox on Edge theme

**URL:** <https://forum.ghost.org/t/blur-behind-lightbox-on-edge-theme/54513>\
**Category:** Themes\
**Created:** [January 17, 2025, 9:34pm UTC](https://forum.ghost.org/t/blur-behind-lightbox-on-edge-theme/54513 "2025-01-17T21:34:04Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![internetas](https://sea1.discourse-cdn.com/flex015/user_avatar/forum.ghost.org/internetas/32/28474_2.png) [@internetas](https://forum.ghost.org/u/internetas)\
**Post date:** [January 17, 2025, 9:34pm UTC](https://forum.ghost.org/t/blur-behind-lightbox-on-edge-theme/54513/1 "2025-01-17T21:34:04Z")

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Hello. Maybe someone could assist me modifying Edge theme? By default, lightbox background around the opened image is just partially transparent white. I try to add blur effect, so that other photos on home screen aren’t clearly visible. As I understand, simple backdrop filter css solution can’t be used here.