Component name: pf-backdrop
A backdrop is used to screen the main content of a page when a modal overlay is opened. It prevents the user from doing other work on the page until the modal is dismissed.
Reference: https://www.patternfly.org/v4/components/backdrop

Design specification
The design specifications should match with https://www.patternfly.org/v4/components/backdrop/design-guidelines.
Accessibility
The component should implement all the accessibility features as https://www.patternfly.org/v4/components/backdrop/accessibility.
Component name: pf-backdrop
Design specification
The design specifications should match with https://www.patternfly.org/v4/components/backdrop/design-guidelines.
Accessibility
The component should implement all the accessibility features as https://www.patternfly.org/v4/components/backdrop/accessibility.