Inset
Sets top, right, bottom and left at once.
What does inset do?
inset sets top, right, bottom and left in one go for a positioned element. inset: 0 stretches it to fill its container.
.modal-backdrop { position: fixed; inset: 0; background: rgb(0 0 0 / 50%); }
Level: Apprentice · More CSS terms at this level
Updated