eta: Also the generic/top-level !mdn search bang.
For those who aren't aware, right click any search box and select 'Add a keyword for this search', set it to something short and then in your URL bar type: "<keyword> <search term>". So to search MDN for the span element I'd type "mdn span".
For blocking pinterest on google, use https://pastebin.com/5diH8Weh
Remove pinterest and add w3schools to block them instead.
I would have to change this: CMD + SPACE -> safa (Open Safari) -> CMD + l (url bar) -> type: html forms mdn -> Click result
To this: CMD + SPACE -> safa -> CMD + l -> type: devel (auto completes to mdn) -> Click search bar -> type: forms -> Click result
There are five actions in the former, while 7 in the latter.