function rem() {
		var htmlele = document.documentelement;
		var winwidth = htmlele.clientwidth || document.body.clientwidth;
		var width = winwidth;
		if(winwidth > 1441){htmlele.style.fontsize = math.ceil(100 * (width / 1920)) + 'px';}
		if(winwidth < 1601){htmlele.style.fontsize = math.ceil(110 * (width / 1920)) + 'px';}
		if(winwidth < 1441){htmlele.style.fontsize = math.ceil(120 * (width / 1920)) + 'px';}
		if(winwidth < 1367){htmlele.style.fontsize = math.ceil(125 * (width / 1920)) + 'px';}
		if(winwidth < 1201){htmlele.style.fontsize = math.ceil(140 * (width / 1920)) + 'px';}
		if(winwidth < 1025){htmlele.style.fontsize = 100 + 'px';}
	};
	rem();
	window.onresize = function() {
		rem();
	}