body {
	color: #666;
	font-family: arial;
	margin: 0px;
	padding: 0px;
	text-align: justify;
}

header {
	background-color: purple;
	width: 100%;
}

header h1 {
	color: cyan;
	font-size: 2.5rem;
	margin: 0px;
	padding: 3rem 0px;
	text-align: center;
}

header h2 {
	color: cyan;
	font-size: 1.5rem;
	margin: 0px;
	padding: 3rem 0px;
	text-align: center
	font-family: arial;
}

main {
	margin: 1rem auto;
	width: 90%;
}

main p {
	line-height: 1.5rem;
}

section {
	margin: 4rem 0rem;
}

section .section_header {
	background-color: white;
}

section h2 {
	background-color: purple;
	border: 1px dashed #AAA;
	border-radius: 0px 15px 0px 15px;
	padding: .5rem;
	margin: 2rem 0rem .5rem 0rem;
	width: 1694px;
}

section h3 {
	margin: .5rem .5rem .5rem 1rem;
}

section h4 {
	margin: .5rem;
}

section ol li {
	margin-bottom: .5rem;
	margin-left: 3rem;
	padding-left: .2rem;
}

section .html_tag {
	color: #A22;
	font-style: italic;
}

.ejemplohtml {
	background-color: #CCC;
	border: 1px dashed #AAA;
	margin: 1rem auto;
	padding: 1rem 2rem;
	width: 50%;
}
.orange { color: orange }
.blue {color: blue}
.green {color: green;}
.red {color: red;}