title: How to add border for Container in ExtJS
body: <p>I have Container look like below. I want to add border for this Container like text box border please help to add border for the Container.</p>
  
  <pre><code>MyContainer13Ui = Ext.extend(Ext.Container, {
      flex: 1,
      width: 500,
      height: 22,
      activeItem: 0,
      id: 'url',
      initComponent: function() {
          MyContainer13Ui.superclass.initComponent.call(this);
      }
  });
  </code></pre>