edd_templates/widget-cart-checkout.php
<?php global $edd_options; ?>
<li class="cart_item edd_subtotal"><?php echo esc_html__( 'Subtotal:', 'edd' ). " <span class='subtotal'>" . edd_currency_filter( edd_format_amount( edd_get_cart_subtotal() ) ); ?></span></li>
<li class="cart_item edd_checkout"><a href="<?php echo esc_url( edd_get_checkout_uri() ); ?>" class="[maera_button_default_medium] radius expand <?php echo apply_filters( 'edd_purchase_link_defaults', array() ); ?>"><?php _e( 'Checkout', 'edd' ); ?></a></li>