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1 year agoThere’s no need to go JavaScript route for theming, Stylus is an add-on that injects CSS instead. I wrote a style here, which increases width of Lemmy instances for wide screens, and also respects your browser light or dark theme if set to follow system:
https://userstyles.world/style/10233/zettajon-1440p-and-darkmode-supported-lemmy
Settings > Battery and Device Care > Battery > Background Usage Limits > Never Sleeping
Add all the apps you want constantly running to this list.