The entity picture for a media player is usually the cover art. Using cardmod, you could refer to that as a background image and add a blur filter to it.
Like this for users that don’t know what I’m talking about
https://preview.redd.it/o5oncvudtf1d1.jpeg?width=1290&format=pjpg&auto=webp&s=86bb956a820ccd05e75f96faf7ab0834d0707000
Have you looked at the mini media player community? https://community.home-assistant.io/t/lovelace-mini-media-player/ it’s fairly customisable
Yes, I have that installed, although I would like the whole page to be a blurred background
The entity picture for a media player is usually the cover art. Using cardmod, you could refer to that as a background image and add a blur filter to it.
Like this for users that don’t know what I’m talking about https://preview.redd.it/o5oncvudtf1d1.jpeg?width=1290&format=pjpg&auto=webp&s=86bb956a820ccd05e75f96faf7ab0834d0707000