Issue with WooCommerce product gallery and images

Hello.

We’re using Travel Way Pro for a online travel agency startup. Everything looks really terrific, but there’s an issue with the images on the product gallery. When we put more than one image (including the featured image), the gallery doesn’t look right. The thumbnails are not aligned, and on some cases, when selecting one image from the thumbnails, a gap is displayed below the image placeholder. After the image is displayed, if we select a different one and then go back to the original, it displays correctly, spacing and all.

Could you please review why this happens? If you wish to see it, please browse https://vagaciones.club/a-vagar/akumal-caribe/.

Thanks, best regards.