Dear Robinmorin,
You can scale the image size to make services visible by adding following CSS code. Adjust the height numeric value as per your requirement.
Appearance > Customize > Additional CSS
.image-slider-wrapper{
height: 61vh !important;
}
.image-slider-wrapper .slick-list,
.image-slider-wrapper .slick-track {
height: 61vh !important;
}Best Regards!