# Things to know

- [Unit (rem)](https://kitisummus.gitbook.io/molla/things-to-know/unit.md): The Molla uses the rem unit instead of the px (pixel) as its unit of measure.
- [Space settings](https://kitisummus.gitbook.io/molla/things-to-know/space-settings.md): Each section comes with its own spacing parameter.
- [Responsive (Swiper slide)](https://kitisummus.gitbook.io/molla/things-to-know/responsive-swiper-slide.md): Allows to set different parameter for different responsive breakpoints (screen sizes).
- [Grid system](https://kitisummus.gitbook.io/molla/things-to-know/grid-system.md)


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