The only advice I would give you here is to avoid patterns: they work well in a traditional bathroom. Still, they could make a contemporary theme look a bit confused and outdated before it's even finished. The tiles are quite indulgent for contemporary issues, so the only thing that is wrong with them is the pattern itself. Check our bathroom suites ideas here.
If you want to be ultra-modern, check out this stunning range of quartz tiles here. Designing a modern bathroom is a challenge, and there are several elements you need to consider to help you achieve the perfect look. Remember that less is more, but you must not forget that simplicity is the key to developing a minimalist design. Stay focused and awkward decisions will only affect the finished look, therefore, drawing with a minimalist approach.