html, body {
	font: normal 15px/1.5em Verdana, Arial, Serif;
	background: #FFF;
	height: 100%;
	margin: 5px;
	}
	
body img  {
	border: 0;
	}
	
header {
	position: relative;
	width: 100%;
	}

header h1 {
	font: 35px Arial, Helvetica, sans-serif;
	font-weight: bold;
	color: #003366;
	border-bottom: 15px solid #FFCC00;
	padding-left:5px;
	margin: 0px;
	}
	
header span {
	font: 17px Arial, Helvetica, sans-serif;
	color: #003366;
		}

header img {width: 100%;}

nav, nav * {
	position: relative;
	margin: 0;
	padding: 0;
	}

nav {
	width: 100%; //15%;
	float: clear; 
	background: #fff;
	top: 10px;
	}

nav ul {
	width: auto;
	padding: 0 1px 1px;
	list-style: none;
	}

nav li {
	border-top: 1px solid #ccc;
	border-bottom: 1px solid #ccc;
	}

nav ul li a{
	display: block;
	padding: 0.25em 0.5em 0.25em 0.75em;
	border-left: 1em solid #4169E1;
	border-right: 1px solid #ccc;
	}

/* Links do menu */
nav a:link {
	color: #FFF; 
	background: #4169E1;
	text-decoration:none;
	font-size: 15px;
}

nav a:visited {
	color: #FFF; //#0000CD;
	background: #4169E1;
	text-decoration:none;
	font-size:15px;
}

nav a:hover {
	color:#fff;
	background: #0000CD;
	text-decoration:none;
	border-left: 1em solid #a2c7da;	
}

nav a:focus, nav a:active {
	color:#00f !important; 
	text-decoration:none;
}

#principal {
	position: relative;
	float: left;
	text-align: justify;
	width: 75%;
	top: 10px;	
}

.destaque {
	position: relative;
	font-size: 200%;
	font-weight: bold;
	top: +12px;
	}

footer {
	text-align: center;
	width: 95%;
	float: left;

	}
	
table {
	border: 5px solid black;
	padding: 0;
	margin: 0;
	width: 100%;
	}

table td {
	border: 1px dotted red;
	padding: 0;
	margin: 0;
	}

table th {
	text-align: center;
	background: gray;
	padding: 0;
	margin: 0;	
	}

@media screen and (min-width: 490px) {

html, body {
	font: normal 17px/1.5em Verdana, Arial, Serif;
	}

	#principal p {float: left;}

nav {
	width: 15%;
	float: left;
	top: 10px;
	}
}