Style not working

Hi,

I want to adjust the color and position of the arrows but the Styling part is not working at all. Please check.

I want the 2 arrows to be outside the slide, how can I do that?

My settings: https://ibb.co/zhW17yxj
Result: https://ibb.co/8gRmP9D9

Best regards

The page I need help with: [log in to see the link]