• https://cdn.bootcdn.net/ajax/libs/nprogress/0.1.5/nprogress.css
• https://cdn.bootcdn.net/ajax/libs/nprogress/0.1.5/nprogress.js
• https://cdn.bootcdn.net/ajax/libs/nprogress/0.1.5/nprogress.min.css
• https://cdn.bootcdn.net/ajax/libs/nprogress/0.1.5/nprogress.min.js