I've run into this before with a large app: bootstrap + font awesome + plugins + custom css in a single blob put me well over 4096 selectors. Fortunately, bless

I've run into this before with a large app: bootstrap + font awesome + plugins + custom css in a single blob put me well over 4096 selectors. Fortunately, bless (via grunt-bless) and a simple IE conditional comment fixed it for good. Bless is a great project.