a {
  outline: none;
}
#tecnologia {
	position:absolute;
	width:259px;
	height:62px;
	z-index:1;
}
.tecnologia {
  display: block;
  width: 259px;
  height: 62px;
  background: url(imag/botl1.jpg) no-repeat;
  text-indent: -9999px;
}

a.tecnologia:link, a.tecnologia:visited, a.tecnologia:active {
  background: url(imag/botl1.jpg) no-repeat;
}

a.tecnologia:hover {
  background-position: -259px;

}
#historia {
	position:absolute;
	width:259px;
	height:62px;
	z-index:1;
	top: 62px;
}
.historia {
  display: block;
  width: 259px;
  height: 62px;
  background: url(imag/botl2.jpg) no-repeat;
  text-indent: -9999px;
}

a.historia:link, a.historia:visited, a.historia:active {
  background: url(imag/botl2.jpg) no-repeat;
}

a.historia:hover {
  background-position: -259px;

}

#BOTONERA2 {
	position:absolute;
	width:259px;
	height:441px;
	z-index:1;
	top: 120px;
	left: 9px;
}
#ventajas {
	position:absolute;
	width:259px;
	height:62px;
	z-index:2;
	left: 0;
	top: 124px;
}
.ventajas {
  display: block;
  width: 259px;
  height: 62px;
  background: url(imag/botl3.jpg) no-repeat;
  text-indent: -9999px;
}

a.ventajas:link, a.ventajas:visited, a.ventajas:active {
  background: url(imag/botl3.jpg) no-repeat;
}

a.ventajas:hover {
  background-position: -259px;

}
#componentes {
	position:absolute;
	width:259px;
	height:62px;
	z-index:3;
	left: 0px;
	top: 186px;
}
.componentes {
  display: block;
  width: 259px;
  height: 62px;
  background: url(imag/botl4.jpg) no-repeat;
  text-indent: -9999px;
}

a.componentes:link, a.componentes:visited, a.componentes:active {
  background: url(imag/botl4.jpg) no-repeat;
}

a.componentes:hover {
  background-position: -259px;

}
#final {
	position:absolute;
	width:259px;
	height:268px;
	z-index:4;
	left: 0px;
	top: 249px;
	background-image: url(imag/finalboltl1.jpg);
}