.txthead{
	padding-top: 30px;
	font-family: Arial;
	font-weight: 100;
	font-size: 1.6em;
	line-height: 1.2em;
	padding-bottom: 20px;
}
.uno, .dos, .tres{
	margin-bottom: 20px;
}
.titulo{
	margin-left: 4em;
	margin-bottom: 4em;
	margin-top: 4em
}

a:hover{
	display: block;
	border: 1px dotted #000;

}
img[usemap] {
		border: none;
		height: auto;
		max-width: 100%;
		width: auto;
	}