h3 {
	width: 74px;
	height: 30px;
	background: url(../img/sobre.png) no-repeat;
	text-indent: -9999px;
	overflow: hidden;
	margin-bottom: 20px;
}

a#curriculo, a#servicos, a#contato {
	float: left;
	display: block;
	width: 130px;
	height: 37px;
	background: url(../img/icone-curriculo.png) no-repeat;
	text-indent: -9999px;
	overflow: hidden;
}

a#servicos {
	background: url(../img/icone-servicos.png) no-repeat;
}

a#contato {
	background: url(../img/icone-contato.png) no-repeat;
}

a#curriculo:hover, a#servicos:hover, a#contato:hover {
	background-position: -130px 0;
}