diff --git a/demo/card_logos.png b/demo/card_logos.png
deleted file mode 100644
index 5ed2f98..0000000
Binary files a/demo/card_logos.png and /dev/null differ
diff --git a/demo/demo.css b/demo/demo.css
deleted file mode 100644
index 55c5594..0000000
--- a/demo/demo.css
+++ /dev/null
@@ -1 +0,0 @@
-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}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{color:#333;font-family:Verdana,Geneva,Arial,Helvetica,sans-serif;font-size:18px;line-height:32px}.cards{overflow:hidden}.cards li{background-image:url(card_logos.png);background-position:0 0;float:left;height:32px;margin-right:8px;text-indent:-9999px;-moz-transition:all .2s;width:51px}.cards li:last-child{margin-right:0}form{background-color:#f8f8f8;background:-moz-linear-gradient(#fff,#f8f8f8);border:5px solid #fff;margin:62px auto;padding:12px 24px 24px;width:287px;-moz-box-shadow:0 1px 3px #ccc}form li{margin:8px 0}.cards .visa-electron{background-position:204px 0}.cards .mastercard{background-position:153px 0}.cards .maestro{background-position:102px 0}.cards .discover{background-position:51px 0}.cards .visa.off{background-position:0 32px}.cards .visa-electron.off{background-position:204px 32px}.cards .mastercard.off{background-position:153px 32px}.cards .maestro.off{background-position:102px 32px}.cards .discover.off{background-position:51px 32px}form label{color:#555;display:block;font-size:14px}form label small{color:#aaa;font-size:11px;line-height:11px;text-transform:uppercase}form input{border:1px solid #aaa;border-color:#aaa #ddd #ddd #aaa;color:#333;display:block;font-size:18px;height:30px;padding:0 5px;width:275px;-moz-box-shadow:inset 0 1px 3px -1px #ccc;-moz-box-sizing:content-box}form input.valid{background:url(tick.png) 260px center no-repeat}.vertical{overflow:hidden}.vertical li{float:left;width:140px}.vertical li:last-child{float:right;text-align:right}.vertical .or{color:#aaa;float:left;font-size:12px;margin-left:-8px;margin-top:32px}.vertical input{width:68px}.vertical li:last-child input{float:right}
\ No newline at end of file
diff --git a/demo/demo.less b/demo/demo.less
deleted file mode 100644
index b6a02fd..0000000
--- a/demo/demo.less
+++ /dev/null
@@ -1,137 +0,0 @@
-@import "reset";
-
-body {
-    color: #333;
-    font-family: Verdana, Geneva, Arial, Helvetica, sans-serif;
-    font-size: 18px;
-    line-height: 32px;
-}
-
-.cards {
-    overflow: hidden;
-}
-
-.cards li {
-    background-image: url(card_logos.png);
-    background-position: 0 0;
-    float: left;
-    height: 32px;
-    margin-right: 8px;
-    text-indent: -9999px;
-    -moz-transition: all .2s;
-    width: 51px;
-}
-
-.cards li:last-child {
-    margin-right: 0;
-}
-
-form {
-    background-color: #f8f8f8;
-    background: -moz-linear-gradient(#fff, #f8f8f8);
-    border: 5px solid #fff;
-    margin: 62px auto;
-    padding: 12px 24px 24px;
-    width: 287px;
-    -moz-box-shadow: 0 1px 3px #ccc;
-}
-
-form li {
-    margin: 8px 0;
-}
-
-.cards .visa-electron {
-    background-position: 204px 0;
-}
-
-.cards .mastercard {
-    background-position: 153px 0;
-}
-
-.cards .maestro {
-    background-position: 102px 0;
-}
-
-.cards .discover {
-    background-position: 51px 0;
-}
-
-.cards .visa.off {
-    background-position: 0 32px;
-}
-
-.cards .visa-electron.off {
-    background-position: 204px 32px;
-}
-
-.cards .mastercard.off {
-    background-position: 153px 32px;
-}
-
-.cards .maestro.off {
-    background-position: 102px 32px;
-}
-
-.cards .discover.off {
-    background-position: 51px 32px;
-}
-
-form label {
-    color: #555;
-    display: block;
-    font-size: 14px;
-}
-
-form label small {
-    color: #aaa;
-    font-size: 11px;
-    line-height: 11px;
-    text-transform: uppercase;
-}
-
-form input {
-    border: 1px solid #aaa;
-    border-color: #aaa #ddd #ddd #aaa;
-    color: #333;
-    display: block;
-    font-size: 18px;
-    height: 30px;
-    padding: 0 5px;
-    width: 275px;
-    -moz-box-shadow: inset 0 1px 3px -1px #ccc; 
-    -moz-box-sizing: content-box;
-}
-
-form input.valid {
-    background: url(tick.png) 260px center no-repeat;
-}
-
-.vertical {
-    overflow: hidden;
-}
-
-.vertical li {
-    float: left;
-    width: 140px;
-}
-
-.vertical li:last-child {
-    float: right;
-    text-align: right;
-}
-
-.vertical .or {
-    color: #aaa;
-    float: left;
-    font-size: 12px;
-    margin-left: -8px;
-    margin-top: 32px;
-}
-
-.vertical input {
-    width: 68px;
-}
-
-.vertical li:last-child input {
-    float: right;
-}
\ No newline at end of file
diff --git a/demo/index.html b/demo/index.html
deleted file mode 100644
index d53cdc7..0000000
--- a/demo/index.html
+++ /dev/null
@@ -1,97 +0,0 @@
-<!DOCTYPE HTML>
-<html lang="en-GB">
-<head>
-    <meta charset="UTF-8">
-    <title>jQuery Credit Card Validator Demo</title>
-
-    <link rel="stylesheet" href="demo.css">
-
-    <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
-    <script type="text/javascript" src="../jquery.creditCardValidator.js"></script>
-</head>
-<body>
-    <form>
-        <h2>Payment details</h2>
-
-        <ul>
-            <li>
-                <ul class="cards">
-                    <li class="visa">Visa</li>
-                    <li class="visa-electron">Visa Electron</li>
-                    <li class="mastercard">MasterCard</li>
-                    <li class="maestro">Maestro</li>
-                    <li class="discover">Discover</li>
-                </ul>
-            </li>
-
-            <li>
-                <label for="card_number">Card number</label>
-                <input type="text" name="card_number" id="card_number">
-            </li>
-
-            <li class="vertical">
-                <ul>
-                    <li>
-                        <label for="expiry_date">Expiry date <small>mm/yy</small></label>
-                        <input type="text" name="expiry_date" id="expiry_date" maxlength="5">
-                    </li>
-
-                    <li>
-                        <label for="cvv">CVV</label>
-                        <input type="text" name="cvv" id="cvv" maxlength="3">
-                    </li>
-                </ul>
-            </li>
-
-            <li class="vertical maestro">
-                <ul>
-                    <li>
-                        <label for="issue_date">Issue date <small>mm/yy</small></label>
-                        <input type="text" name="issue_date" id="issue_date" maxlength="5">
-                    </li>
-
-                    <li>
-                        <span class="or">or</span>
-                        <label for="issue_number">Issue number</label>
-                        <input type="text" name="issue_number" id="issue_number" maxlength="2">
-                    </li>
-                </ul>
-            </li>
-
-            <li>
-                <label for="name_on_card">Name on card</label>
-                <input type="text" name="name_on_card" id="name_on_card">
-            </li>
-        </ul>
-    </form>
-
-    <script>
-        $(function() {
-            $('.vertical.maestro').hide().css({opacity: 0});
-            $('#card_number').cards(function(result) {
-                if (result.card_type === null) {
-                    $('.cards li').removeClass('off');
-                    $('#card_number').removeClass('valid');
-                    $('.vertical.maestro').slideUp({duration: 200}).animate({opacity:0}, {queue: false, duration: 200});
-                    return;
-                }
-
-                $('.cards li').addClass('off');
-                $('.cards .' + result.card_type.name).removeClass('off');
-
-                if (result.card_type.name == 'maestro') {
-                    $('.vertical.maestro').slideDown({duration: 200}).animate({opacity:1}, {queue: false});
-                } else {    
-                    $('.vertical.maestro').slideUp({duration: 200}).animate({opacity:0}, {queue: false, duration: 200});
-                }
-
-                if (result.length_valid && result.luhn_valid) {
-                    $('#card_number').addClass('valid');
-                } else {
-                    $('#card_number').removeClass('valid');
-                }
-            });
-        });
-    </script>
-</body>
-</html>
\ No newline at end of file
diff --git a/demo/reset.less b/demo/reset.less
deleted file mode 100644
index e515647..0000000
--- a/demo/reset.less
+++ /dev/null
@@ -1,48 +0,0 @@
-/* http://meyerweb.com/eric/tools/css/reset/ 
-   v2.0 | 20110126
-   License: none (public domain)
-*/
-
-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;
-}
diff --git a/demo/tick.png b/demo/tick.png
deleted file mode 100644
index 99c4f55..0000000
Binary files a/demo/tick.png and /dev/null differ