<!--
[
if
IE
]
>
<style type=
"text/css"
>
.
yourclass
{
width:400px;
}
<!
[
endif
]
-->
<!--
[
if
IE gte
5.5
]
>
(If Internet Explorer greater than or equal to version 5.5.) you can also use lt, lte, gte and ! (for 'not')