@message-prefix-cls: ~'@{ant-prefix}-message';

[data-theme='dark'] {
  .@{message-prefix-cls} {
    &-notice-content {
      .@{message-prefix-cls}-custom-content {
        &.@{message-prefix-cls}-success {
          background: #243839;
        }

        &.@{message-prefix-cls}-error {
          background: #422934;
        }

        &.@{message-prefix-cls}-warning {
          background: #423430;
        }
      }
    }
  }
}