is there any way to make the top UI to be more slim?

This page summarizes the projects mentioned and recommended in the original post on /r/firefox
Userchrome Firefox Userchromecss userchrome-styles firefox-theme

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  • Firefox-UI-Fix

    🦊 I respect proton UI and aim to improve it.

  • cascade

    A responsive One-Line CSS Theme for Firefox. (by cascadefox)

  • InfluxDB

    Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

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  • FirefoxCSS-Store

    A collection site of Firefox userchrome themes, mostly from FirefoxCSS Reddit community.

    • Check out https://firefoxcss-store.github.io/ it has a bunch of compact themes, if your like me and want something super compact look for the oneline themes here is the one I'm using right now:

  • CustomCSSforFx

    Custom CSS tweaks for Firefox

    • Here is one I use, though I only have a few things active (uncommented) in it. Aris-t2/CustomCSSforFx: Custom CSS tweaks for Firefox

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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