.main_construccion {
	position: absolute;
	top: 0;
	right: 0;
	bottom: 0;
	left: 0;
	overflow: hidden;
	overflow-y: auto;
	background: url(../img/bg_construccion.gif) center center no-repeat;
	background-size: cover;
	color: #fff;
}

.main_construccion:before {
	position: fixed;
	top: 0;
	right: 0;
	bottom: 0;
	left: 0;
	background: rgba( 0, 0, 0, .5);
	content: ' ';
}

.main_titulo {
	display: block;
	position: absolute;
	top: 150px;
	width: 100%;
	text-align: center;
	font-family: 'open_sansregular';
	font-size: 50px;
	text-shadow: 0 2px 5px rgba(0, 0, 0, 0.8);
}

.main_titulo_pie {
	display: block;
	position: absolute;
	top: 220px;
	width: 100%;
	font-size: 26px;
	text-align: center;
	text-shadow: 0 2px 5px rgba(0, 0, 0, 1);
}

.main_ventajas {
	display: block;
	position: absolute;
	top: 293px;
	right: calc( 48% - 330px );
	width: 320px;
	font-size: 22px;
	list-style: none;
}

.main_ventajas li {
	margin: 0 0 10px;
}

.main_ventajas li span {
	background: rgba(50,170,47,.8);
	padding: 3px 10px;
}

.main_ventajas li span:before {
	margin: 0 7px 0 0;
	font-family: 'FontAwesome';
	content: "\f00c";
}

.main_form {
	display: block;
	position: absolute;
	top: 290px;
	left: calc( 50% - 360px );
	width: 360px;
	padding: 10px;
	margin: 0 0 60px;
	background: rgba(0,0,0,.8);
}

@media screen and ( max-width: 980px ) {
	.main_construccion {
		position: relative;
	}
	
	.main_construccion:before {
		position: absolute;
	}
	
	.main_titulo {
		position: relative;
		top: inherit;
		padding: 150px 0 0;
	}
	
	.main_titulo_pie {
		position: relative;
		top: inherit;
	}
	
	.main_ventajas {
		position: relative;
		top: inherit;
		right: inherit;
		margin: 50px auto;
	}
	
	.main_form {
		position: relative;
		top: inherit;
		left: inherit;
		margin: 50px auto;
	}
	
}

@media screen and ( max-width: 480px ) {
	.main_titulo {
		padding: 90px 0 0;
		font-size: 40px;
	}
	
	.main_titulo_pie {
		width: inherit;
		padding: 10px;
		font-size: 22px;
	}
	
	.main_ventajas {
		width: 300px;
		font-size: 20px;
	}
	
	.main_form {
		width: 280px;
	}
}