Product gallery images displaying vertically

the Product gallery images displaying vertically under the featured image. I have used woo before and they normally display the gallery thumbs in a row under the featured image. I cant find the settings to fix this. here is the page for reference. https://daccordshirts.com/shop-2/cuban-guayabera/guayabera-2548-beige-cotton-micro-fiber-the-best-fitting-guayabera-on-the-planet-copy/

Thank you in advance,
Danny