I am currently using Librewolf.

But Zen & floorp browser looks beautiful.

What do you suggest?

I personally like the looks of Zen.

I would also appreciate any tips to make Zen more secure than it already is.

Edit: consider this too

Negative post about zen: https://www.reddit.com/r/LibreWolf/comments/1ezumu7/comment/ljnjx2b/

Positive post about zen: https://www.reddit.com/r/browsers/comments/1fz7j9s/comment/lqzklza/

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Consider if a theme could accomplish what you want: It seems like they all use firefox under the hood, and if all you want is appearance, you shouldn't need to change your entire browser. Keeping in mind that a smaller fingerprinting pool is less anonymous, if you care about that.

I haven't actually used any other than librewolf though, so if switching provides any features you care about, go for it.

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