este el codigo del Boton:
<tr>
<td colspan="2" class="Pie_Pagina" style="vertical-align:baseline ; height: 4%;">
<asp:Button ID="Btn_SubNivel1" runat="server" Text="" CssClass="Boton_Map" OnClick="Btn_SubNivel_Click" Visible="false" />
<asp:Button ID="Btn_SubNivel2" runat="server" Text="" CssClass="Boton_Map" OnClick="Btn_SubNivel_Click" Visible="false" />
<asp:Button ID="Btn_SubNivel3" runat="server" Text="" CssClass="Boton_Map" OnClick="Btn_SubNivel_Click" Visible="false" />
</td>
</tr>
y el Css:
.Boton_Map
{
background:transparent;
text-align:left;
text-decoration:underline;
border:none 0px;
vertical-align:baseline;
height:90%;
cursor:hand;
color :#FFFFFF;
font-size:12px ;
font-weight:lighter;
font-family:verdana,arial,helvetica,clean,sans-serif;
margin-right:0px;
width:auto ;
padding-right: 0px;
display:inline;
}
.Pie_Pagina
{
background-image: url(../Imagenes/Fondo_Rojo_Small.gif);
color :#FFFFFF;
font-size:12px ;
font-weight:lighter;
font-family:verdana,arial,helvetica,clean,sans-serif;
vertical-align:bottom;
margin-top: 1px;
padding: 0px 0px 0px 0px;
display:inline;
text-align:left;
}
Gracias, por la ayuda