.parte{
	border: 0px solid red;
	width: 1100px;
	float: left;
	padding: 0 20px;

	box-sizing:border-box;
	-moz-box-sizing:border-box;
	-webkit-box-sizing:border-box;
}

.seccion{
	width: 70%;
	float: left;
}

.titulo-seccion{
	background: #ddd;
	color: blue;
	font-weight: bold;
	padding: 10px;
	display: inline-block;

	box-sizing:border-box;
	-moz-box-sizing:border-box;
	-webkit-box-sizing:border-box;
}

.desarrollo-seccion{
	text-align: justify;
	line-height: 23px;
	padding: 10px;
}

.imagen-seccion{
	width: 29%;
	float: left;
}

.imagen-seccion img{
	width: 100%;
}

#banner{
	background: #f7f7f7;
	width: 1080px;
	font-weight: bold;
	font-size: 26px;
	line-height: 40px;
	color: blue;
	text-align: center;
	margin: 20px 0 0 10px;
	float: left;
}