What are the religious customs of the Bosnian people?

Bosnia is a country of various religions, just like most countries in the world today. However the three main religions are Islam, Orthodox Christianity and Roman Catholicism. About 40% of the population is Muslim (belonging mostly to the Sunni sect), 30% are Orthodox Christians (belonging to the Serbian Orthodox Church), 15% are Roman Catholics and the rest are either Atheists or they affiliate with some other religion.