Try to use the next custom CSS code:
.related-products .product {
border-bottom: 1px solid var(--et_border-color);
border-right: 1px solid var(--et_border-color);
display: flex;
justify-content: center;
}
.related-products {
border-top: 1px solid var(--et_border-color);
border-left: 1px solid var(--et_border-color);
display: flex;
flex-wrap: wrap;
flex: 1;
}
.related-products .content-product {
flex-direction: column;
justify-content: normal;
display: flex;
flex: 1;
}
.related-products .content-product .product-details {
padding-bottom: 0px;
}
Regards