Modern style interior space is minimalistic. Simple white walls and a minimalistic staircase are perfect examples of what modern architecture can now be defined by.
Stair rail idea, Mozhaisk Apartment by Alexandra Fedorova, Maybe not for your place, but fun.
More stairs for my house! I didn't even realize these were stairs at first! Casa Syntes in Pinto, Pinto, Madrid, 2010 by dosmasuno arquitectos