.page-product-bundle {
    .bundle-options-container {

        .product-add-form {
            padding-left: 0;
            display: block;

            #product_addtocart_form {
                display: flex;
                flex-direction: row;
                justify-content: space-between;

                .product-options-wrapper {
                    float: none;
                    width: 100%;
                    text-align: left;
                }

                .block-bundle-summary {
                    float: none;
                    width: 100%;
                    background: transparent;
                    padding: 0;
                }
            }
        }
    }
}