Reduce space between lines

is there any way to reduce the space between the lines here?

http://heromarin01.businesscatalyst.com/bestilling.html

without reducing the space between the options just the text and when the text break in two lines.

Please try injecting the following CSS code: 

.form-checkbox-item label, .form-radio-item label{

  line-height: 20px !important;

}

This guide will help you doing so: https://www.jotform.com/help/117-How-to-Inject-Custom-CSS-Codes

This should be the result: 

I hope this helps.