Classes list

Every class Toast recognizes, straight from the @flickui/css source.

ClassPurpose
.toast-regionThe fixed-position stacking container (one per screen position, created on demand)
.toastBase class on each notification
.toast-iconIcon matching the toast's variation
.toast-content / .toast-title / .toast-bodyWraps and renders the headline/message text
.toast-actionSlot for an optional inline action element
.toast-dismissThe dismiss (✕) button
.toast-progressOptional auto-hide progress bar (animates over the toast's duration)
.is-entering / .is-exitingRuntime states for the enter/exit animation