dondelelcaro

I've not seen an intersection with four blinking yellow lights in California; typically two ways are blinking yellow (caution) and the other two are blinking red (stop).

Ferrari

So expensive, looks great, takes significant capital to maintain, and anyone who has one uses something else when they actually need to do something useful.

I use allowlist and blocklist instead because it's clearer. Or rejectlist or banlist or acceptlist or whatever verb more accurately conveys what the list is doing. White/Black are frequently not clear enough.

And use SVG when you can; bitmaps which should be vectors are frequently big and ugly.