Untitled

<html>
<head>
<link rel="stylesheet" href="../css/font-awesome.css">
    <link rel="stylesheet" href="../css/font-awesome.min.css">
</head>
<body>
<div style="font-size: 44px;">
   <i class="fa fa-camera-retro fa-lg"></i> fa-lg
<i class="fa fa-camera-retro fa-2x"></i> fa-2x
</div>
</body>
</html>

'Fonts/fontawesome-webfont.ttf?v=4.2.0' ...

*{
    font-family: 'Open Sans', sans-serif !important;
}

body{
    font-family: 'Open Sans', sans-serif;
}

<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" type="text/css">

@font-face {
  font-family: 'FontAwesome';
  src: url('../fonts/fontawesome-webfont.eot?v=4.5.0');
  src: url('../fonts/fontawesome-webfont.eot?#iefix&v=4.5.0') format('embedded-opentype'), url('../fonts/fontawesome-webfont.woff2?v=4.5.0') format('woff2'), url('../fonts/fontawesome-webfont.woff?v=4.5.0') format('woff'), url('../fonts/fontawesome-webfont.ttf?v=4.5.0') format('truetype'), url('../fonts/fontawesome-webfont.svg?v=4.5.0#fontawesomeregular') format('svg');
  font-weight: normal;
  font-style: normal;
}

font awesome -> css
 -> fonts

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.4.0/css/font-awesome.min.css">

<i class="fa-pencil" title="Edit"></i>

<i class="fa fa-pencil" title="Edit"></i>

warning: CRLF will be replaced by LF in webroot/fonts/FontAwesome.otf.
The file will have its original line endings in your working directory.
warning: CRLF will be replaced by LF in webroot/fonts/fontawesome-webfont.eot.
The file will have its original line endings in your working directory.
warning: CRLF will be replaced by LF in webroot/fonts/fontawesome-webfont.ttf.
The file will have its original line endings in your working directory.
warning: CRLF will be replaced by LF in webroot/fonts/fontawesome-webfont.woff.
The file will have its original line endings in your working directory.
warning: CRLF will be replaced by LF in webroot/fonts/fontawesome-webfont.woff2.
The file will have its original line endings in your working directory.