The CSS file you've used contains one incorrect part in it - ajaxtabs.css go to line 48 where you can see the following class instruction which is incorrect:
Code:
.shadetabs li a.selected{ /*selected main tab style */
.shadetabs li a{
text-decoration: none;
font-weight: 600;
font-size: 12px;
font-family: Arial;
position: relative;
z-index: 1;
padding: 3px 7px;
margin-right: 3px;
border: 1px solid #6699FF;
color: #2d2b2b;
background: url(images/active.gif) top left repeat-x;
}
I think the error is visible without much trouble (highlighted). You need to change that to like the following
Code:
.shadetabs li a.selected{ /*selected main tab style */
text-decoration: none;
font-weight: 600;
font-size: 12px;
font-family: Arial;
position: relative;
z-index: 1;
padding: 3px 7px;
margin-right: 3px;
border: 1px solid #6699FF;
color: #2d2b2b;
background: url(images/active.gif) top left repeat-x;
}
Due to this CSS error Firefox doesn't get any CSS values and consider selected class as blank one and uses the styles mentioned for anchor elements. IE somehow skip this error and display correct background image.
Hope this helps.
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