@adobe/spectrum-css/dist/components/banner/multiStops/dark.css

The Spectrum CSS top-level backwards compatible package

.spectrum--dark .spectrum-Banner {
  color: rgb(255, 255, 255);
}
.spectrum--dark .spectrum-Banner--info {
  background-color: rgb(55, 142, 240);
}
.spectrum--dark .spectrum-Banner--warning {
  background-color: rgb(242, 148, 35);
}
.spectrum--dark .spectrum-Banner--error {
  background-color: rgb(236, 91, 98);
}