/**
 * The first commented line is your dabblet’s title
 */
header{
	background-color: #111;
	margin: 0;
}

footer {
	background-color: #111;
	margin: 0;
	float: left;
	width: 100%;
	margin: 1em 0 0 0;
}

h1 {
	font-size: 7em;
	color: #eee;
	text-align: center;
	padding: 1em;
}

h3 {
	font-size: 2em;
	color: #eee;
	text-align: center;
	padding: 1em;
	margin-bottom: 0;
}

#principal {
	width: 100%;
}

#img1 {
	text-align: center;
}

.tercos {
	width: 20%;
	margin: 3% 3% 0 7%;
	background-color: lightgrey;
	float: left;
	padding: 1em;
}

#centro {
	font-family: sans-serif;
}

p {
	color: white;
	text-align: center;
}