• https://cdn.bootcdn.net/ajax/libs/rythm.js/1.2.1/rythm.js
• https://cdn.bootcdn.net/ajax/libs/rythm.js/1.2.1/rythm.min.js
• https://cdn.bootcdn.net/ajax/libs/rythm.js/1.2.1/rythm.min.js.map