Hello,
Provide URL and temporary wp-admin access, we will check and help you. The demos uses custom CSS code for the size and border – https://gyazo.com/9fd7a1652ce65dcdd449447da90f070c
.custom-categories .elementor-element .category-grid > a img {
max-width: 74px;
}
.custom-categories .category-list-item > ul > li > a {
border: 1px solid #E1E1E1;
border-radius: 2px;
padding: 5px 19px;
justify-content: center;
}
Regards