What's wrong with a third-party addon? Also, some browsers, like Chrome, Opera (12 and under), and Midori have one built in.
posted by Upsilon920 5 years and 1 month ago Link

nothing much. it just seems tedious to add another thing to the browser. and although same can be said for the search-engine itself, figured since cloud-save was an already able feature.. =)

well there is one workaround if remember right--directly altering user css file. except last we 'migrated' profiles(constantly change up computers--explains why minimal is best ya? =)), it didn't exist no more.
posted by <hidden> • 5 years and 26 days ago Link
Well, if you install something like Stylish you can use it for many other sites, and it's easy to install (nothing wrong with it.)

Also, the next version of DDG has been released, which kind of has the UI you're looking for:
posted by Upsilon920 4 years and 8 months ago Link