.parte{
	width: 100%;
	float: left;
}

.seccion{
	border: 1px solid #ddd;
	background: #f7f7f7;
	width: 62%;
	float: left;

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

.titulo-seccion{
	background: #042760;
	color: white;
	font-size: 25px;
	font-weight: bold;
	padding: 10px;
}

.desarrollo-seccion{
	font-size: 14px;
	line-height: 29px;
	padding: 15px 0;
	padding: 10px;

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

.imagen-seccion{
	border: 0px solid red;
	width: 35%;
	text-align: center;
	float: left;
}

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

@media screen and (max-width: 700px){
	.seccion{
		width: 100%;
	}

	.desarrollo-seccion div{
		width: 100% !important;
	}

	.imagen-seccion{
		width: 100%;
		text-align: center !important;
	}

	.imagen-seccion{
		width: 40%;
	}
}