In the Frontpage slider, I want to decrease the heigth of the images, because it's big, but I didn't find this option in the settings of the theme, how can I do this?
Just resize the images to a lower value. The values indicated in the theme are only recommended but you can use a smaller image. Adaptable will resize the slideshow to the biggest value so resize all the images to the same height.
I did it but the slider didn't resize.