Your question is too broad that it cannot be answered simply.
Suggestions: (docs.rhomobile.com tutorials)
1. Learn how to run simple helloworld app in Rhodes
2. Simple CRUD in rhodes
4. In simple crud show page, try to add some css and see how it works
5. In simple crud show page, try to implement the feature you have in jsfiddle example and make it work
Thanks for your answer!
Because i don´t know what to do and where i have to start