yle="padding-left: 5em">},</span> <br/>
                                        <span style="padding-left: 5em">fill: {</span> <br/>
<span ng-click="c.fill.color = toggleColor(c.fill.color)"
      style="padding-left: 10em">color: {{c.fill.color}}</span> <br/>
<span ng-click="c.fill.opacity = c.fill.opacity*0.5"
      style="padding-left: 10em">opacity: {{c.fill.opacity}}</span> <br/>
                                        <span style="padding-left: 5em">},</span> <br/>
                                    