code: function() {
        return [
          "stroke: ", (this.stroke ? this.stroke : 'none'), "; ",
          "stroke-width: ", (this.strokeWidth ? this.strokeWidth : '0'), "; ",
          "stroke-dasharray: ", (this.strokeDashArray ? this.strokeDashArray.join(' ') : "; "),
          "fill: ", (this.fill ? this.fill : 'none'), "; ",
          "opacity: ", (this.opacity ? this.opacity : '1'), ";"
        ].join("");
      }
docs: Returns styles-string for svg-export
  @method getSvgStyles
  @return {string}