#Seccion1
{
 background:Transparent url(/Img/menu_Servicios_t.jpg) no-repeat;
 width:233px;
 height:23px;
}

#Seccion2
{
 background:Transparent url(/Img/menu_calculadoras_t.jpg) no-repeat;
 width:233px;
 height:23px;
}

#Seccion3
{
 background:Transparent url(/Img/menu_infotecnica_t.jpg) no-repeat;
 width:233px;
 height:39px;
}
#Seccion4
{
 background:Transparent url(/Img/menu_clientes_t.jpg) no-repeat;
 width:233px;
 height:23px;
}