@charset "UTF-8";

article, aside, footer, header, main, nav, section {
	display: block;
	}
html, body, h1, h2 h3, ul, li, a, p, 
article, aside, footer, header, main, nav, section {
	padding: 0;
	margin: 0;
	}
.banner {
	background-color: #cccccc;
	color: #4178be;
	padding: 5px;
	}

body {
	background-color: black;
	width: 1280px;
	margin-left: auto;
	margin-right: auto;
	font-family: Helvetica, Arial, sans-serif;
	}

nav { 
	background-color: #064b80;
	padding: 5px;
	margin: 1px;
	}

li a {
	color: white;
	padding: 10px;
	}

li {
	display: inline;
	}

iframe{
	width: 1280px;
	height: 700px;
	}