Cringy title, they’re definitely not amazing, and please don’t try them in your website.
But I’m not claiming any authority on design so I’m not flagging although I’m tempted.
I mean, if it’s for your personal website I am all in favor of doing weird accessibility breaking and generally incomprehensible user interfaces! ;)
For example, this looks wonderful: https://arwes.dev/
Oh hey that’s the framework I use on my personal website! https://wingysam.xyz
I like the use of some smart CSS tricks here, but I really think that using most of those effects would result in harming the usability (e.g. sometimes it is not obvious that an element is a button). Also, some of the buttons are a bit misaligned in Firefox (Developer Edition, version 81.0b3)