title: Highmaps border color of region
body: <p>I am using Highmaps in one of my web based application. Until now it was easy to modify it according to my use case but now i need to changes the border color of the region and i am unable to do it.</p>
  
  <p>Code i have tried but failed:</p>
  
  <pre><code>chart: {
                  plotBorderColor: '#ffffff',
                  borderColor: "#ffffff",
         }
  </code></pre>
  
  <p>See attached image what i want to achieve</p>
  
  <p><img src="https://i.stack.imgur.com/uaYlg.png" alt="enter image description here"></p>
  
  <p>Want to change the outline color to white</p>
  
  <p><a href="http://jsfiddle.net/qLen614m/" rel="nofollow noreferrer">http://jsfiddle.net/qLen614m/</a></p>