plugin-core/plugin/grails-app/views/layouts/main.gsp (15 lines of code) (raw):
<!doctype html>
<html lang="en" class="no-js">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=edge"/>
<title>
<g:layoutTitle default="Grails"/>
</title>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<g:layoutHead/>
</head>
<body>
<g:layoutBody/>
</body>
</html>