I found the solution here: http://stackoverflow.com/questions/16125581/heroku-messing-up-css-following-hartls-rails-tutorial
thanks, Run bundle exec rake assets:precompile to compile the assets incl. the stylesheets into the public hierarchy that is being used by Heroku. When done: git add -A git commit -m "Precompiled assets" and finally git push and git push heroku On Monday, September 21, 2015 at 1:29:33 PM UTC-4, j_McCaffrey wrote: > > Are you missing some css or something? > > I would look in dev-tools in the browser to see if there are any errors. > Areas to investigate: > 1. Are there any files that did not get checked in? > 2. Are there any css/js files that did not get properly handled by the > asset pipeline? > 3. Are there any errors in the browser? (does it render differently in > different browsers?) > 4. Are there any errors in the heroku logs? > > > You might find that others have run into this same issue and posted > questions/answers on StackOverflow or directly on the RailsTutorial site. > > Let us know how you end up resolving it! > > > On Mon, Sep 21, 2015 at 10:48 AM, Juan Cabrera <cabr...@gmail.com > <javascript:>> wrote: > >> >> >> >> <https://lh3.googleusercontent.com/-xWbcp_HcDbM/VgAmX6WVx3I/AAAAAAAAEqo/SkOBEMK4wjs/s1600/development_sample_app.JPG> >> >> <https://lh3.googleusercontent.com/-E-ef_bvGWqw/VgAmacA7sNI/AAAAAAAAEqw/6vjAL4se1MI/s1600/producction_sample_app.JPG> >> >> >> my App is ok in development environment(local machine)... but when i >> deploy to heroku producction this happen. >> >> -- >> -- >> You received this message because you are subscribed to the Google >> Groups "Heroku" group. >> >> To unsubscribe from this group, send email to >> heroku+un...@googlegroups.com <javascript:> >> For more options, visit this group at >> http://groups.google.com/group/heroku?hl=en_US?hl=en >> >> --- >> You received this message because you are subscribed to the Google Groups >> "Heroku Community" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to heroku+un...@googlegroups.com <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> > > > > -- > Thanks, > -John > -- -- You received this message because you are subscribed to the Google Groups "Heroku" group. To unsubscribe from this group, send email to heroku+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/heroku?hl=en_US?hl=en --- You received this message because you are subscribed to the Google Groups "Heroku Community" group. To unsubscribe from this group and stop receiving emails from it, send an email to heroku+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.