Changing the height for the slider on Infoway Theme

I have tried adding CSS to adjust the homepage slider on Infoway Theme as I want my height to be 500 pixels yet it is not working. The site is http://www.testingenviroment.com/sydneyendoscopy/ what CSS do I add to change to my desired 500 pixels in height for the slider image please?.

 

Hello,

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

Code:

#featured {
padding-right: 0px;
}

Thanks & Regards
Nitesh Raghuwanshi