7.0 Gallery Carousel, would like it to show 3 images at once instead of the standard 2

I am building a new homepage for a client. I have a Gallery Carousel set up for them. It automatically shows just 2 images and they would like 3 to show. Is there a way to add code to change it to 3? 
 

page link: https://www.digitallearningcollab.com/home4

Something like this? for desktop + mobile?

yes! what is the code you used? 

11 hours ago, Ginger_Meadow_08 said:

yes! what is the code you used? 

 

Add to Design > Custom CSS

div#block-yui_3_17_2_1_1687818723123_3453 .sqs-intrinsic {
    padding-bottom: 30% !important;
}