small bathroom renovation keep layout exactly the same replace bathtub with a walk in shower with clean glass shower enclosure flush properly aligned no distortion shower walls glossy emerald green vertical tile full height and continue them seamlessly to the wall behind the sink and toilet bathroom floor black and white penny tile mosaic clearly defined not green not blended with walls keep white pedestal sink add bigger mirror above it paint the cabinet in far corner and emerald green fixtures brass add window cover keep materials clean and separated no color bleeding no green on floor outside tile no distortion do not add any other cabinetry make lighting fixtures work with this vibe