Fontello - ikony nie chcą się wyświetlać

Chcąc wstawić na stronę ikony Fontello napotkałem spory problem, nie wyświetlają się. Wie może ktoś dlaczego ?

HTML

<!DOCTYPE HTML>
<html lang="pl">
<head>
	<meta charset="utf-8" />
	<title>portfolio</title>
	<meta name="portfolio" content="Stworze dla Ciebie świetną strone WWW!" />
	<meta name="keywords" content="portfolio, WWW, webmaster, programista, strona" />
	<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
	<link rel="stylesheet" href="portfolio.css" type="text/css"/>
	<link rel="stylesheet" href="css/fontello.css" type="text/css"/>
	<link href='https://fonts.googleapis.com/css?family=Lato|Josefin+Sans&subset=latin-ext,latin' rel='stylesheet' type='text/css'>
</head>
<body>
	<div id="box">
		<div class="rectangle"></div>
			<div id="logo">Jan Kowalski</div>
			<div id="zegar">12.00.00</div>
			<div style="clear: both;"></div>
			
		
		<div class="square">
			<div class="tile1">1</div>
			<div class="tile1">1</div>
			<div style="clear: both;"></div>
			
			<div class="tile2">2</div>
			<div class="tile3">3</div>
			<div style="clear: both;"></div>
			
			<div class="tile4">4</div>
		</div>
			
		<div class="square">
			<div class="tile5">5</div>
				<div class="yt">
					<i class="icon-youtube"></i>
				</div>
				<div class="fb">
					<i class="icon-facebook"></i>
				</div>
				
				<div class="gplus">gplus</div>
				
				<div class="tw">tw</div>
				
				<div style="clear: both;"></div>
				
		</div>
		<div style="clear: both;"></div>
		
		<div class="rectangle">2016 &copy; </div>
		
		</div>

</body>
</html>

CSS

body
{
	background-color: #303030;
	color:  #FFFFFF;
	font-family: 'Lato', sans-serif;
	font-size: 20px;
}

#box
{
	width: 1000px;
	margin-left: auto;
	margin-right: auto;
}

.rectangle
{
	width: 960px;
	margin: 20px;
	color: white;
}

.square
{
	width: 50%;
	float: left;
}

#logo
{
	float:left;
	font-family: 'Josefin Sans', sans-serif;
	font-size: 70px;
	width: 600px;
}

#zegar
{
	float:left;
	font-family: 'Josefin Sans', sans-serif;
	font-size: 70px;
}

.tile1
{
	margin: 10px;
	width: 230px;
	height: 142px;
	float: left;
	background-color: #3095D3;
}

.tile2
{
	margin: 10px;
	width: 230px;
	height: 142px;
	float: left;
	background-color: #666666;
}

.tile3
{
	margin: 10px;
	width: 230px;
	height: 142px;
	float: left;
	background-color: #93C748;
}

.tile4
{
	margin: 10px;
	width: 480px;
	height: 142px;
	background-color: #ee5a32;
}

.tile5
{
	margin: 10px;
	width: 480px;
	height: 304px;
	background-color: #666666;
}
.yt
{
	margin: 10px;
	width: 105px;
	height: 142px;
	float: left;
	background-color: #D94348;
}

.fb
{
	margin: 10px;
	width: 105px;
	height: 142px;
	float: left;
	background-color: #4668b3;
}

.gplus
{
	margin: 10px;
	width: 105px;
	height: 142px;
	float: left;
	background-color: #d95333;
}

.tw
{
	margin: 10px;
	width: 105px;
	height: 142px;
	float: left;
	background-color: #3095d3;
}

CSS Fontello

@font-face {
  font-family: 'fontello';
  src: url('../font/fontello.eot?62524664');
  src: url('../font/fontello.eot?62524664#iefix') format('embedded-opentype'),
       url('../font/fontello.woff2?62524664') format('woff2'),
       url('../font/fontello.woff?62524664') format('woff'),
       url('../font/fontello.ttf?62524664') format('truetype'),
       url('../font/fontello.svg?62524664#fontello') format('svg');
  font-weight: normal;
  font-style: normal;
}
/* Chrome hack: SVG is rendered more smooth in Windozze. 100% magic, uncomment if you need it. */
/* Note, that will break hinting! In other OS-es font will be not as sharp as it could be */
/*
@media screen and (-webkit-min-device-pixel-ratio:0) {
  @font-face {
    font-family: 'fontello';
    src: url('../font/fontello.svg?62524664#fontello') format('svg');
  }
}
*/
 
 [class^="icon-"]:before, [class*=" icon-"]:before {
  font-family: "fontello";
  font-style: normal;
  font-weight: normal;
  speak: none;
 
  display: inline-block;
  text-decoration: inherit;
  width: 1em;
  margin-right: .2em;
  text-align: center;
  /* opacity: .8; */
 
  /* For safety - reset parent styles, that can break glyph codes*/
  font-variant: normal;
  text-transform: none;
 
  /* fix buttons height, for twitter bootstrap */
  line-height: 1em;
 
  /* Animation center compensation - margins should be symmetric */
  /* remove if not needed */
  margin-left: .2em;
 
  /* you can be more comfortable with increased icons size */
  /* font-size: 120%; */
 
  /* Font smoothing. That was taken from TWBS */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
 
  /* Uncomment for 3D effect */
  /* text-shadow: 1px 1px 1px rgba(127, 127, 127, 0.3); */
}
 
.icon-facebook:before { content: '\e800'; } /* '' */
.icon-twitter:before { content: '\e801'; } /* '' */
.icon-youtube:before { content: '\e802'; font-size: 70px} /* '' */
.icon-gplus:before { content: '\e803'; font-size: 70px; } /* '' */
.icon-user:before { content: '\e804'; } /* '' */
.icon-laptop:before { content: '\e805'; } /* '' */
.icon-graduation-cap:before { content: '\e806'; } /* '' */
.icon-mail:before { content: '\e807'; } /* '' */
.icon-mail-alt:before { content: '\e808'; } /* '' */