blockly/apps/blockfactory/preview.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="google" value="notranslate">
<title>Block Factory Preview</title>
<script type="text/javascript" src="../../blockly_compressed.js"></script>
<script type="text/javascript" src="../../msg/messages.js"></script>
<script type="text/javascript" src="preview.js"></script>
<style>
html, body {
background-color: #fff;
margin: 0;
padding: 0;
overflow: hidden;
height: 100%;
}
.blocklySvg {
height: 100%;
width: 100%;
}
</style>
</head>
<body>
</body>
</html>