#puertas {
	background-image:  url(../IMAGES/puertas-seccionales-industriales-01.jpg);
	background-size: 100vw 100vh;
	background-attachment:fixed;
}

#puertas .contenedor {
	justify-content: center;
	display: flex;
	flex-wrap: wrap;
	padding-bottom: 120px;
	padding-top: 120px;
}


#puertas .puertas3 p {
	justify-content: center;
	font-family: 'Roboto', sans-serif;
	font-weight: 300;
	font-size: 18px;
	color: # 666;
	line-height: 20px;
	width: 850px;
	height: auto;
	margin: auto;
	padding: 30px 30px;
	opacity: 0.7;
	box-sizing: border-box;
	border-radius: 12px;
	background: #FFF;
}



@media (min-width:320px) {
	#puertas .puertas3 p {
	width: 300px;
	text-align:center;
	font-size:14px;
}
}

@media (min-width:360px) {
	#puertas .puertas3 p {
	width: 340px;
	text-align:center;
	font-size:16px;
}
}

@media (min-width:480px) {
	#puertas .puertas3 p {
	width: 460px;
	text-align:center;
	font-size:16px;
	line-height: 20px;
}
}



@media (min-width:768px) {
	#puertas .puertas3 p {
	width: 750px;
	text-align:center;
	font-size:18px;
	line-height: 20px;
}
	

}

@media (min-width:1024px) {
	#puertas .puertas3 p {
	width: 850px;
	text-align:center;
	font-size:18px;
	line-height: 20px;
}
	
	
}