Simple Bathroom Decor

bathroom
A room containing a toilet
A room containing a bathtub or a shower and usually also a washbasin and a toilet
A set of matching units to be fitted in such a room, esp. as sold together
toilet: a room or building equipped with one or more toilets
A bathroom is a room that may have different functions depending on the culturalist context. In the most literal sense, the word bathroom means "a room with a bath".
a room (as in a residence) containing a bathtub or shower and usually a washbasin and toilet

simple
elementary: easy and not involved or complicated; "an elementary problem in statistics"; "elementary, my dear Watson"; "a simple game"; "found an uncomplicated solution to the problem"
A medicinal herb, or a medicine made from one
any herbaceous plant having medicinal properties
having few parts; not complex or complicated or involved; "a simple problem"; "simple mechanisms"; "a simple design"; "a simple substance"

decor
The furnishing and decoration of a room
The decoration and scenery of a stage
The style of decoration of a room, building
Interior design is a multi-faceted profession in which creative and technical solutions are applied within a structure to achieve a built interior environment.
interior decoration: decoration consisting of the layout and furnishings of a livable interior