CSS hack only for apple iphone
<p>I want to change some CSS property only in the apple iphone devices. Is there any way to find the apply iphone alone.</p>

<p>For all deives</p>

<pre><code>.menu{
    -webkit-transition:all 100ms ease;
    -moz-transition:all 100ms ease;
    -o-transition:all 100ms ease;
    transition:  all 100ms ease;
}
</code></pre>

<p>Only for Apple Iphone</p>

<pre><code>.menu{
    transition: none;
}
</code></pre>