prueba esto:
<td style="border:none" onMouseOver="this.style.border='groove'; this.style.background='#FF0000'; " onMouseOut="this.style.border='none'; this.style.background='#FFFFFF'; "><div align="center"><span class="Estilo1"><span class="Estilo2"><span class="Estilo3"></span></span></span></div></td>