Decrease Height of Slider Banner

Hi I would like the make the banner/slider shorter in height. About 200 px. How would I do that. Thanks you
http://extraeffortlandscaping.com/

 

Paste this code in Custom CSS
Appearance > Theme Option > Styling Option > Custom CSS

Code:

.slide-img {
height: 200px!important;
}
.slider-container {
height: 250px!important;
}
.slide-fix{
height:200px;
}
#slide-box {
height: 220px;
}