html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
	margin: 0;
	padding: 0;
	border: 0;
	font-size: 100%;
	font: inherit;
	vertical-align: baseline;
}
/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section {
	display: block;
}
body {
	line-height: 1;
}
ol, ul {
	list-style: none;
}
blockquote, q {
	quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
	content: '';
	content: none;
}
table {
	border-collapse: collapse;
	border-spacing: 0;
}
body
{
	background-color: #666666;
	width: 100%;
	height: 100%;
}
ul
{
	list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #333;
}
nav ul
{
	position: fixed;
    top: 0;
    width: 100%;
	height:auto;
}
nav li
{
	margin-left:20%;
}
nav img
{
	-webkit-filter: drop-shadow(0px 0px 20px rgba(0,0,0,0)); /* Safari 6.0 - 9.0 */
    filter: drop-shadow(0px 0px 20px rgba(0,0,0,0));
	 -webkit-transition-property: -webkit-filter; /* Safari */
    -webkit-transition-duration: 0.5s; /* Safari */
    transition-property: filter;
    transition-duration: 0.5s;
}
nav img:hover
{
	-webkit-filter: drop-shadow(0px 0px 20px rgba(0,0,0,1)); /* Safari 6.0 - 9.0 */
    filter:drop-shadow(0px 0px 20px rgba(0,0,0,1));
}
footer ul
{
	position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
    overflow:hidden;
}
li
{
	float: left;
}
footer li
{
	float: right;
}
li a
{
	display: block;
    color: white;
    text-align: center;
    padding: 6px 1px 1px 5px;
    text-decoration: none;
}
.footer
{
	margin-right: 20%;
}
footer li a
{
    padding: 6px 16px 3px 1px;
}
footer img
{
	-webkit-filter: grayscale(100%); /* Safari 6.0 - 9.0 */
    filter: grayscale(100%);
	 -webkit-transition-property: -webkit-filter; /* Safari */
    -webkit-transition-duration: 0.5s; /* Safari */
    transition-property: filter;
    transition-duration: 0.5s;
}
footer img:hover
{
	-webkit-filter: grayscale(0%); /* Safari 6.0 - 9.0 */
    filter: grayscale(0%);
}
section
{
	position: relative;
	background-color: grey;
	height:90vh;
	width: 60%;
	left:20%;
	top:52px;
}
article
{
	display: inline-block;
	width: 100%;
	height:100%;
}
h1
{
	font-size:larger;
	font-weight:bolder;
	margin: 5px 0px 10px 10px;
}
p
{
	margin: 2px 0px 2px 10px;
}
.error
{
	text-align: center;
	margin-top:25%;
}
.error h1
{
	font-size: 50px;
}
.error p
{
	font-size: 20px;
}
.youtube
{
	width: 100%;
	height: 75%;
}
@media only screen and (max-device-width: 480px) {
	section
	{
		width: 100%;
		left:0;
	}
	.footer
	{
		margin-right: 0;
	}
	nav li
	{
		margin-left:5px;
	}
	footer img
	{
		-webkit-filter: grayscale(0%); /* Safari 6.0 - 9.0 */
		filter: grayscale(0%);
		
	}
	.youtube
	{
		width: 100%;
		height: 45%;
	}
	
}