css

header,
footer,
section,
div,
li {
	/*outline: 1px dotted #0af;*/
}


body {
	background-color: #eee;
	font-family: 'Open Sans', sans-serif;
	overflow-y: hidden;
}

a {
	color: #333;
}

html, body {
	margin: 0;
	padding: 0;
	width: 100%;
	height:100%;
}

.scrollH {
	overflow-y: auto;
}

#header {
	height:15vh;
}

.main {
	height: 75vh;
}

#footer {
	height: 10vh;
}




#blog {
clear: both;
}


/* HOME */


#home_imagen_fondo {
	width: 100%;
	height:75vh;

	position: absolute;
	z-index: -1;	
}

.cortina {
/*
	w100%
	h100%
	posa
	t0
	l0
	zi0
	op0.75
	bgc
*/

	width: 100%;
	height: 100%;
	position: absolute;
	top: 0;
	left: 0;
	z-index: 0;
	opacity: 0.75;
	background-color: #fff;

}


#home_imagen_fondo img {
	width: 100%;
	height:75vh;
}

#home_titulo_texto {
	width:50vw;
	margin-left: 25vw;

	height: 30vh;
	margin-top: 22.5vh;
	margin-bottom: 22.5vh;

	text-align: center;
}

#home_titulo h1 {
	font-size: 100px;
	text-transform: uppercase;
}


img{
	max-width:100%;
}


.entrada {
	/*tac*/
	text-align: center;
}

.entrada .contenido {
	/*dn*/
	opacity: 0;
}


.entrada {
	position: relative;
	min-height:200px;
}
.entrada .imagen {
	transition: opacity 0.4s ease-in-out;
	opacity:1;
	position: absolute;
	width:100%;
	height:100%;
}

.entrada:hover .imagen {
	/*db*/
	opacity: 0;
}

.entrada:hover .contenido {
	/*db*/
	opacity: 1;
}