Hello,
Add the next custom CSS code:
.header-wrapper .et-off-canvas .cart_list.product_list_widget .quantity-wrapper, .header-wrapper .et-off-canvas .cart_list.product_list_widget .quantity-wrapper input, .header-wrapper .et-off-canvas .cart_list.product_list_widget .quantity-wrapper span, .header-wrapper .et-off-canvas .cart_list.product_list_widget li:hover { background: #fafafa !important }
Regards
