# Class names update in 3.3.0 WC Blocks 3.3.0, introduced express payment methods in the Cart block. In order to make it easy to write styles for express payment methods for the Cart and Checkout blocks separately, we updated several class names: ## Replaced classes
Removed New class
wc-block-components-express-checkout wc-block-components-express-payment (generic)
wc-block-components-express-payment--checkout (Checkout block)
wc-block-components-express-payment--cart (Cart block)
wc-block-components-express-checkout__title-container wc-block-components-express-payment__title-container
wc-block-components-express-checkout__title wc-block-components-express-payment__title
wc-block-components-express-checkout__content wc-block-components-express-payment__content
wc-block-components-express-checkout-continue-rule wc-block-components-express-payment-continue-rule (generic)
wc-block-components-express-payment-continue-rule--checkout (Checkout block)
wc-block-components-express-payment-continue-rule--cart (Cart block)
wc-block-components-express-checkout-payment-event-buttons wc-block-components-express-payment__event-buttons