#ladoi{
	border: 1px solid red;
	width: 100%;
	float: left;
	padding: 10px;

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

.seccion{
	width: 100%;
	margin: 0 0 20px 0;
	float: left;
}

.titulo-seccion{
	border: 0;
	color: red;
	font-style: italic;
	font-weight: bold;
	background: #f7f7f7;
	padding: 10px;
}

.desarrollo-seccion{
	line-height: 24px;
	padding: 10px;
}

#ladoa{
	border: 0px solid red;
	width: 100%;
	padding: 10px;
	float: left;

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

@media screen and (max-width: 500px){
	.desarrollo-seccion img{
		width: 100%;
	}
}