code: function formatErrorMarker(message = 'Error') {
    const { bold, bgRed, white } = consoleStyles;
  
    return bgRed(bold(white(message)));
  }
docs: Returns a string "Error" styled as a bold white text on a red background, ready to be printed to the console.
  
  @memberof module:logger
  @private
  @function formatErrorMarker
  @param {string} [message="Error"] - a message to apply styles to
  @return {module:logger.Message} a styled message