Making cart popup size as same with cart popup

See more:

CSS3

HTML5

bootstrap

Hi Team

I have a cart popup, the size is normal but the problem when click view-detail is not the same as normal cart popup, How do i apply changes to look the same?

What I have tried:

 <div class="col-lg-4 col-md-6 col-sm-12 pb-1">
    <div class="card product-item border-0 mb-4">
        <div class="card-header product-img position-relative overflow-hidden bg-transparent border p-0">
            <img class="img-fluid w-100" src="img/product-1.jpg" alt="">
        </div>
        <div class="card-body border-left border-right text-center p-0 pt-4 pb-3">
            <h6 class="text-truncate mb-3">Colorful Stylish Shirt 0</h6>
            <div class="d-flex justify-content-center">
                <h6>R120.00</h6><h6 class="text-muted ml-2"><del>R120.00</del></h6>
            </div>
        </div>
        <div class="card-footer d-flex justify-content-between bg-light border">
            <a href="#" class="btn btn-sm text-dark p-0 view-details-btn" id="cart-0">class="fas fa-eye text-primary mr-1">View Detail</a>
            <a href="#" class="btn btn-sm text-dark p-0 add-to-cart-btn">^__i class="fas fa-shopping-cart text-primary mr-1">Add To Cart</a>
        </div>
    </div>
</div>
    <!--View item details #1-->
    <div class="card-popup-container" id="cart-popup-0">
        <div class="card-popup">
            <button class="close-popup-btn">×</button>
            <div class="card-header product-img position-relative overflow-hidden bg-transparent border p-0">
                <img class="img-fluid w-100" src="img/product-1.jpg" alt="">
            </div>
            <div class="card-body border-left border-right text-center p-0 pt-4 pb-3">
                <h6 class="text-truncate mb-3">Colorful Stylish Shirt 1</h6>
                <div class="d-flex justify-content-center">
                    <h6>R121.00</h6><h6 class="text-muted ml-2"><del>R121.00</del></h6>
                </div>
            </div>
            <div class="card-footer d-flex justify-content-between">
                <a href="#" class="btn btn-primary add-to-cart-btn">Add to Cart</a>
                <button class="close-popup-btn btn btn-secondary">Close</button>
            </div>
        </div>
    </div>
<!---View details ends here #1-->