Imitating calc() Fallback or Fixed-Width Sidebar In Responsive Layout
A look at how the calc() feature can help with padding in responsive sites while still falling back gracefully for older browsers.
Dealing with CSS browser compatibility and solving technical issues is probably the real charm (I mean it) of front-end development. None of the projects do without it. Working on one of those I finally had my first experience with CSS function
An excerpt from Imitating calc() Fallback or Fixed-Width Sidebar In Responsive Layoutcalc()