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GitHub User: hansidude
for Rails 4.0, I think the turbolinks get in the way of allowing the header to refresh in some browsers. i.e. following this railscast when I clicked on the mobile/full site link, the css would not change unless I would do a page refresh in internet explorer and firefox (no problem with ipad though...). so I put in the body html tag data-no-turbolink in views/layouts/application.html.erb, and works great now. yepi.