Sass and Less - Mixins vs Extends

Now we focus a bit more on Sass and look at extends. Extends are kind of the same as a mixin, but Sass treats them differently when we look at the resulting CSS code and it can be good to know the differences. We use both a parameter driven mixin and an extend to finalize the look of our buttons.

[xJanini]

Hi sir, thanks for your explanation. The differences are clear. However, in which cases should you use mixins and in which cases should you use extends?