It could be great for understand several principles utilized in the contemporary bathroom design ideas. Remember, for any modern style, less is more. Hence, make use of less variety of items to beautify the space.
In terms of selecting traces you can choose or emphasize on straight horizontal lines or even ovals. The horizontal straight traces will give a bold and also clean look, while selecting or including oval designs in the bathroom gives a harmonious more subtler look. You can go with a rectangular counter top, a square or rectangular sink, large horizontal mirror, etc. to add straight horizontal lines to your bathroom. If you need to go with the actual oval shapes, then align a oval shaped window sill, mirror, bath tub, curved countertop, etc. to fit this scheme.