app/index.html
<!DOCTYPE html><html> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>You Rockstar</title> <meta name="description" content=""> <meta name="viewport" content="width=device-width, initial-scale=1"> {{content-for "head"}} <link rel="stylesheet" href="assets/vendor.css" integrity=""> <link rel="stylesheet" href="assets/you-rockstar.css" integrity=""> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" integrity=""> {{content-for "head-footer"}} </head> <body> {{content-for "body"}} <script src="assets/vendor.js" integrity=""></script> <script src="assets/you-rockstar.js" integrity=""></script> {{content-for "body-footer"}} </body></html>