test
<!DOCTYPE html>
<html lang="es">
<head>
<meta charset="utf-8">
<title>title</title>
<link rel="stylesheet" href="style.css">
<script src="script.js"></script>
</head>
<body>
<!-- page content -->
<div style="border-radius: 10px; box-shadow: black 0 0 5px; height: 150; width: 150"><img src="http://fonotoner.es/mu/wp-content/uploads/servicios/01-as-imagen-personal.jpg" width="150" height="150"></div>
</body>
</html>
$ ->
$('#btn').on 'click', ->
alert $('#txt').val()
body {
background: #eee;
}