CSS3 rem單位運用

僅供自己保存查看
1rem = 100px

function Rem() {
				var oHtmlElem = document.documentElement,
					nWinWid = oHtmlElem.clientWidth / 7.5;
				if (nWinWid > 100) nWinWid = 100;
				oHtmlElem.style.fontSize = nWinWid + 'px';
			}
			window.addEventListener('resize', Rem, false);
			Rem();