<div class="mb-d-content list_seller_product">
    <h4 class="label"><?php echo __('Seller newstlest products') ?></h4>
    <?php echo $block->getChildHtml('magetop.marketplace.products') ?>
</div>
<style>
    .toolbar-products .label {
        all: unset;
    }
    .products-grid .product-items .product-item .actions-primary .tocart {
        width: 88% !important;
    }
    button, a.action.primary, .cart.table-wrapper .actions-toolbar > .action, .action-gift {
        border-radius: 0px !important;
    }
</style>