title: Media Query in CSS Not working as expected
body: <p>I need to show two different logos on my site depending on the device width. 
  If the screen size of device is 300px or less than it, i need to show small logo.</p>
  
  <p>Site: <a href="http://www.geekdashboard.com/" rel="nofollow">http://www.geekdashboard.com/</a></p>
  
  <p>Logo.png -> <a href="http://www.geekdashboard.com/wp-content/themes/geekdashboard/images/logo.png" rel="nofollow">http://www.geekdashboard.com/wp-content/themes/geekdashboard/images/logo.png</a></p>
  
  <p>logo-small.png ->
  <a href="http://www.geekdashboard.com/wp-content/themes/geekdashboard/images/logo-small.png" rel="nofollow">http://www.geekdashboard.com/wp-content/themes/geekdashboard/images/logo-small.png</a></p>
  
  <p>CSS:</p>
  
  <pre><code>.header-image .site-title &gt; a {
      background: url(images/logo.png) no-repeat left;
      float: left;
      min-height: 90px;
      width: 425px;
  }
  </code></pre>
  
  <p>and CSS for small width devices as follows </p>
  
  <pre><code>  @media only screen and (max-width: 320px) {
  
  .header-image .site-title &gt; a {
      background: url(images/logo-small.png) no-repeat left!important;
      width: 300px!important;
  }
  
  }
  </code></pre>
  
  <p>This code is not working as expected for me. I can still see the logo.png even on devices with screen size less than 300px
  Thanks in advance</p>