Book modern apartment/guest room separately

This property is a first floor apartment, on a slope overlooking Basel. The apartment is very bright, modern and is located in a quiet neighborhood. The city of Basel can be reached in about 30 minutes by tram. If both bedrooms are used, please specify 3 people (single occupancy). The space If the bedrooms are occupied individually, it will cost an additional €40. When registering, please specify three people, so Airbnb can calculate it.