I have a conflicts in css3 border radius between browsers.
#menu ul li:first-child {
border-radius: 0px 8px 8px 0px;
}
#menu ul li:last-child {
border-radius: 8px 0px 0px 8px;
}
<ul>
<li><a href="#">الرئيسية</a></li>
<li><a href="#">صفحتي</a></li>
<li><a href="#">كتبي</a></li>
<li><a href="#">أصدقائي</a></li>
<li><a href="#">خروج</a></li>
</ul>
firefox

ie problem

I’m suspecting it’s because of the rtl direction.
Solution: add a class to your HTML for IE using conditionals – example:
I’ve added the class to a containing div, but you can add it directly to the
<html>tag (see http://paulirish.com/2008/conditional-stylesheets-vs-css-hacks-answer-neither/ )And then you’ll have something like this in your CSS:
Full demo here http://dabblet.com/gist/2774749 – I’ve tested it and works the same in Chrome, Firefox, Opera and IE9.