header, footer, section, nav, article {  
    display: block;  
}

/* SET SOME properties for the BODY
margin auto gets you a centred web page*/
BODY {
	margin: 0 auto;  
	width: 900px; 
	font-family: Arial, Helvetica, sans-serif;
	font-size: 12px;
       background-color: #28A8D9
}

H1 {
	text-align: center;
	color: black;
        text-decoration: none;
}

H2 {
	text-align: center;
	color: black;
        text-decoration: none;
}



HEADER#Banner {
	width: 900px;
	height: 268px;
	margin: auto;
	border: 1px solid #000000;
	text-align: center;


}

FOOTER {
	width: 900px;
	height: 268px;
	margin: auto;
	border: 1px solid #000000;
	text-align: center;
	background-color: #B6FFF7;
}

NAV {
	width: 900px;
	height: 50px;
	float: left;
	font-family: Geneva,Arial;
	border: 1px solid #000000;
        font-size: 18px;
	background-color: #B6FFF7;
}

NAV ul {
	margin: 5px;
	padding: 15px;
	list-style-type: none;
}
NAV li {
	display: inline-block;

}

NAV li a {
	float: left;
        text-align: center;
	border-right: 2px solid #000000;
        width: 100px;  
        font-size: 14px; 
	padding: 0px 5px;
	color: #000000;
	text-decoration: none;
}

NAV li a:hover {
	color: #B6FFF7;
}

SECTION#Wrapper {

}

ARTICLE#Article_1 {
	width: 900px;
	height: auto;
        border: 1px solid #000000;
	background-color: #B6FFF7;
        text-align: center;
}

HEADER#Header_Article_1 {
	width: 900px;
	height: 60px;
        border: 1px;
	background-color: #B6FFF7;
}

SECTION#Section_Article_1 {
     margin: 0 auto;
     text-align: center;
     font-family: Arial;
     font-size: 24px;
}