// Block errors

.block-slot--has-error {
  .block-slot__panel-heading {
    color: $state-danger-text;

    .text-muted {
      color: $state-danger-text;
    }
  }
}

// Block errors

.block-slot--has-error {
  & > .panel {
    border-color: #cb9492;
  }

  .block-slot__panel-heading {
    color: $state-danger-text;

    .text-muted {
      color: $state-danger-text;
    }
  }
}

Add red border color to blocks with errors
Add red border color to blocks with errors
