.secUno {
	min-height: calc(100vh - 295px);
}

.contDos, .contTres {
	width: 90%;
	max-width: 1100px;
	margin:auto;
	overflow: auto;
}

.contTres {
	margin: 20px auto; 
}

.mitad {
	width: 50%;
	float: left;
}

.mitad .titulo {
	text-align: center;
	font-weight: 600;
}

.mitadDos {
	position: relative;
	padding:0 10px;
	padding-bottom:50px;
}

.mBottom {
	margin-bottom: 40px;
}

.btnsCont {
	padding: 5px;
	overflow: auto;
	position: absolute;
	height: 52px;
	left: 50%;
	transform:translateX(-50%);
	width: 407px;
	bottom: 0;
}

.portada, .portadaKits {
	display: block;
	width: 350px;
	margin:auto;
	transition-duration: .4s;
	cursor: pointer;
}

.portadaKits {
	cursor: inherit;
}

.descripcion {
	width: 100%;
	margin-bottom: 20px;
	white-space: pre-wrap;
}

.btnMas {
	float: left;
}

.btnMas:first-child {
	margin-right: 20px;
}

.iconBtn {
	width: 30px;
	display: block;
}

.contTres .titulo, .contTres .texto {
	width: 100%;
	text-align: center;
}

.videoCont {
	width: 100%;
}


.visorMaterial {
	background-color: #fff;
	position: fixed;
	left: 50%;
	top: 50%;
	z-index: 25;
	padding: 5px;
	transform: translate(-50%, -50%);
	display: none;
}

.btnClose {
	width: 30px;
	height: 30px;
	position: absolute;
	top: 5px;
	right: 5px;
	border-radius: 50%;
	background-color: #FFFFFF;
	padding: 5px;
	cursor: pointer;
	transition-duration: .4s;
}

.btnClose img {
	display: block;
	width: 100%;
}


@media only screen and (min-width: 1100px) {
	.portada:hover {
		opacity: .4;
	}

	.btnClose:hover {
		background-color: #333333;
	}
}

@media only screen and (max-width: 950px) {
	.mitad {
		width: 98%;
	}

	.mitadUno {
		margin-bottom: 30px;
	}
}

@media only screen and (max-width: 600px) and (orientation: portrait) {
	.imgPopup {
		width: 400px;
	}
}

@media only screen and (max-width: 400px) and (orientation: portrait) {
	.imgPopup {
		width: 300px;
	}
}

@media only screen and (max-width: 500px) {
	.portada, .portadaKits {
		width: 100%;
	}

	.btnsCont {
		width: 100%;
		position: static;
		transform: none;
		height: auto;
	}

	.mitadDos {
		padding-bottom: 0;
	}

	.btnsCont .btnMas {
		float: none;
		width: 250px;
		margin:10px auto;
		font-size: 17px;
	}

	.banner {
		display: none;
	}
}