ASp.net button push down effect

[L]

hi

How do i achieve no push down effect on an asp.net button on IE9.

I have a piece of code when view with firefox, the search button can be clicked without the push down effect. Which is what i wanted.
But when i view it IE9, it has the push down effect when clicked which i do not want.

How do i achieve the same thing as firefox when i view it with IE9. Thanks a lot.

<td>

<div style="text-align: center">

<telerik:RadTextBox ID="RadTextBox1" runat="server" Style="border-style: solid; border-width: 8px;

border-color: #e9e5d9; font-size: medium; border-radius: 3px 0px 0px 3px; font: bold 15px/10px 'lucida sans', 'trebuchet MS', 'Tahoma';"

Height="48px" Width="470px" EmptyMessage="search here......">

</telerik:RadTextBox><asp:Button ID="btnSearch" runat="server" Style="overflow: visible; position: absolute;

border: 0px none #d83c3c; padding: 0; cursor: pointer; height: 48px; width: 110px;

font: bold 15px/0px 'lucida sans', 'trebuchet MS', 'Tahoma'; color: #fff; text-transform: uppercase;

border-radius: 0px 3px 3px 0px; background-color: #d83c3c;" Text="SEARCH" />

</div>

</td>