Ok, so rather than me teaching you the fundamental basics of how to make a Super Mario Maker level replicating the past games style (SMB1, SMB3, SMW, NSMBU) for SMM, I'm just going to link to videos on people who analyze the fundamental basics of what made those game's stand out and be unique.
In this video, Mark Brown analyses the 4 main games of Super Mario Maker and tries to make a level replicating that same feel: https://www.youtube.com/watch?v=e0c5Le1vGp4
In this video, Mark Brown analyses the secrets of Super Mario 3D World's level design. Super Mario 3D World's level design basically defines how Mario should play like, so I would recommend checking it out: https://www.youtube.com/watch?v=dBmIkEvEBtA
In this video, Ceave Gaming analyses all the good level design of New Super Mario Bros U. Difficulty gives the player a motive to play, and that's exactly what we're trying to find: How to set the right amount of difficulty -- https://www.youtube.com/watch?v=p9NdAao9y_4
In this video, Ceave Gaming analyses all the secrets in the level design of Super Mario 3D World. Collectables are the things that makes the level not just go from point a to point b, but rather, try to find to explore every inch of the level to see what you can possible milk out of it: https://www.youtube.com/watch?v=BlEOrCjVQX0
In this video, Blue Television Games analyses the level design of New Super Mario Mario Bros U, and tries to make his own level inspired by the NSMBU design in Super Mario Maker: https://www.youtube.com/watch?v=QiHW2XP-0ag
In this video, Blue Television Games analyses the level design of Super Mario World, and tries to make his own level inspired by the SMW design in Super Mario Maker: https://www.youtube.com/watch?v=7xwssvAQB98