message: refactor: message use css var
diff: @@ -38,14 +38,14 @@ $color-map: (
  }
  .hi-message__header {
  - line-height: 22px;
  + line-height: $line-height-size-normal;
  display: flex;
  align-items: center;
  }
  .hi-message__title {
  - color: #333 !important;
  - font-size: 14px;
  + color: use-color('black') !important;
  + font-size: $font-size-normal;
  }
  .hi-message__icon {
  