title: Macbook Pro not accepting media query using CSS
body: <p>I have written this media query for Macbook Pro. It is not accepting the media query. My Macbook's resolution is 1280x800 13 inches</p>
  
  <pre><code>@media only screen 
  and (min-device-width : 1280px) 
  and (max-device-width : 800px) 
  {   
  .col-md-12.webtestingsocial
  {
   margin-left: 29px !important;
  }
  }
  </code></pre>