Ouch, that's a nasty bug in firefox.. Will try to solve it asap. Right now I need to serve slightly different markup depending on mobile or desktop, so I can't

Ouch, that's a nasty bug in firefox.. Will try to solve it asap. Right now I need to serve slightly different markup depending on mobile or desktop, so I can't rely solely on media queries. I will however try to move it that direction once I figured a few things out. Thanks for your feedback!