title: Change borderColor in React Component
body: <p>how to change color of component from clicking a button from another.
  I'm trying to this by setting state, but it's not possible. And in this of component SecondAnotherBox not styles in properties.</p>
  
  <pre><code>var AnotherBox = React.createClass({
      boxclick: function()
      {
          //change from here
      },
      render: function()
      {
          return(
          &lt;div onClick={this.boxclick}&gt; anotherbox&lt;/div&gt;)
      }
  });
  var SecondAnotherBox = React.createClass({//change this
      render: function()
      {
          return(
          &lt;div&gt; secondanotherbox&lt;/div&gt;)
      }
  });
  var ComplexBox = React.createClass({
      render: function()
      {
          return(
          &lt;div&gt;
          &lt;AnotherBox /&gt;
          &lt;SecondAnotherBox /&gt;
          &lt;/div&gt;)
      }
  });
  ReactDOM.render(
    &lt;ComplexBox /&gt;,
    document.getElementById('test')
  );
  </code></pre>