title: angular 2 inline style borderColor not working
body: <p>I'm trying to change the border color , but it is not work.</p>
  
  <p>There is my code:</p>
  
  <pre><code>&lt;div [style.backgroundColor]="item.color"   [style.borderColor]="item.borderColor"&gt;
  </code></pre>
  
  <p>And in the css</p>
  
  <pre><code>display: inline-block;
    margin: 2px;
      border:2px solid ;//red;  
      height:25px;
      width:25px;
        border-radius:50%;
      -moz-border-radius:50%;
      -webkit-border-radius:50%;
  </code></pre>
  
  <p>The backgroundColor work , but the border not.
  I'm trying also :</p>
  
  <pre><code>[ngStyle]="{border: '2px solid(' + item.borderColor + ')'}"
  </code></pre>
  
  <p>But no effect.</p>