title: weird grey square in extjs layout (ie7 & 8 only)
body: <p>I have weird grey square in extjs layout (ie7 &amp; 8 only).</p>
  
  <p>I applyed css code to  all doc in hope to see borders of gray element but...
  There are NO BORDER ON IT. please tell me what to do or check next.</p>
  
  <pre><code>*{
  border:1px red solid !important;
  }
  </code></pre>
  
  <p><strong>ie7 &amp; ie 8</strong></p>
  
  <p><a href="https://i.stack.imgur.com/ZevzZ.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/ZevzZ.jpg" alt="ie7 &amp; ie 8"></a>
  </p>
  
  <p><strong>normal browser</strong>
  <a href="https://i.stack.imgur.com/NdtSc.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/NdtSc.jpg" alt="normal browser"></a>
  </p>