title: Detect firefox browser with jquery
body: <p>I facing a problem is my css is have a some bug when firefox is lower than 2.0.
  I would like to detect the browser to fix my css bug.</p>
  
  <p>This is my code:</p>
  
  <pre><code>$(document).ready ( 
   function() {
    if ( $.browser.mozilla == true &amp;&amp; $.browser.version &lt; '3.0' ) {
     $('img.frameMargin').css('margin-left','35px');
    }
   }
  );
  </code></pre>
  
  <p>But this code seem like not work.</p>
  
  <p>Thank for advance.</p>