Mark Otto and Jacob Thornton developed Bootstrap at Twitter as a means of improving the consistency of tools used on the site and reducing maintenance. The software was formerly known as Twitter Blueprint and is sometimes referred to as Twitter Bootstrap.
The Mario brothers were first seen in 1983 in the arcade game Mario Bros. Mario was invented before Luigi and first showed up in the game Donkey Kong in 1981.
The main series, Super Mario, began with Super Mario Bros. on the NES. The Mario franchise began in the arcades, with the early Donkey Kong games and Mario Bros. The Mario franchise had sold over 160 million units by 2002, and 577.659661 million units as of 2016.