Vector
WARNING: VERY DEBATABLE OPINION, ALSO I DISAGREE --bruhfromcollabvm. (Version by User3412)
Nobody likes this theme out of noobs,admit it
If you like this theme,then you are fatherless and/or you are a noob
An worser version of this theme is the new vector
How to Enable Vector (note: you might cringe)
Click on preferences (next to notices which is next to alerts which is next to user account)
after that, go to appearance tab
choose Vector if you choosed an theme different than Vector
(if you want to cringe more, untick/uncheck Use Legacy Vector)
now you cringed!