(function(doc, win) {
				var docEl = doc.documentElement,
					resizeEvt = 'orientationchange' in window ? 'orientationchange' : 'resize',
					recalc = function() {
						var clientWidth = docEl.clientWidth
						if (!clientWidth) return
						docEl.style.fontSize = 100 * (clientWidth / 1903) + 'px'
						console.log(100 * (clientWidth / 1903))
					}
				if (!doc.addEventListener) return
				win.addEventListener(resizeEvt, recalc, false)
				doc.addEventListener('DOMContentLoaded', recalc, false)
			})(document, window)