Right tabs prominent on IE8

Hello,

The newsflash is good, but I have a problem like attached file in red box. Tabs on right prominent of left image on IE8. How can I solve this problem,thanks.

I find similar problem and teach how to solve, likes as follow.

"Please try to add this in style.css file:"
.ui-tabs-nav li { list-style:none; margin:0; }

But I find several style.css file and I don't know what file is correct and how to fix it.

Can you help me, thanks.

Add this at the bottom of template_css.css

#featured .ui-tabs-nav{
list-style: none!important;
}

Hello,

I try add it to template.css, works fine on IE8!

#featured .ui-tabs-nav li{
list-style: none; margin:0;
}

Thank you very much.